Fireworks explode over Olympic Park at the end of the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

One of the Sochi Olympic mascots sheds a tear after extinguishing the Olympic flame during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

Large mascots and children perform during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

Artists are suspended from helium-filled clouds during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

A pianist emerges from below the ground during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

Piano players perform during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

Pianist Denis Matsuev performs during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

Performers dance during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

An artist is suspended near an upside-down house as part of a performance during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

Performers wave the flags of participating nations during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

A rowing boat moves across the arena as dancers perform during the 2014 Sochi Winter Olympics Closing Ceremony on Feb. 23, 2014 in Sochi, Russia.

Performers recreate the ring that did not open during the opening ceremony during the closing ceremony of the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Sochi, Russia.

USA defenseman Justin Faulk and forward Joe Pavelski react as Finland celebrates a goal during the third period of the men's bronze medal ice hockey game at the 2014 Winter Olympics, Saturday, Feb. 22, 2014, in Sochi, Russia.

United States' Mikaela Shiffrin skis past a gate during the women's slalom at the Sochi 2014 Winter Olympics, Friday, Feb. 21, 2014, in Krasnaya Polyana, Russia.

Erin Hamlin of the United States gets ready to start her run during a training session for the women's singles luge at the 2014 Winter Olympics, Thursday, Feb. 6, 2014, in Krasnaya Polyana, Russia.

Park Seung-hi of South Korea reacts after she won the women's 1000m short track speedskating final at the Iceberg Skating Palace during the 2014 Winter Olympics, Friday, Feb. 21, 2014, in Sochi, Russia.

Women's slalom gold medal winner Mikaela Shiffrin of the United States steps off of the podium after a flower ceremony at the Sochi 2014 Winter Olympics, Feb. 21, 2014, in Krasnaya Polyana, Russia.

Hostesses hold the medal during the Women's Ice Hockey Medal Ceremony at the Bolshoy Ice Dome plaza during the Sochi Winter Olympics on Feb. 20, 2014.

Gold medalist American Mikaela Shiffrin reacts to winning ladies' slalom at the Sochi 2014 Winter Olympics on Feb. 21, 2014 at Rosa Khutor Alpine Center.

Liang Wenhao of China crashes out in the men's 500m short track speedskating final at the Iceberg Skating Palace during the 2014 Winter Olympics, Feb. 21, 2014, in Sochi, Russia.

Victor An of Russia celebrates after leading his team to victory in the 5000m Speed Skating relay on day fourteen of the 2014 Winter Olympics at the Iceberg Skating Palace on Feb. 21, 2014 in Sochi, Russia.

Nastya Makarycheva gets her face painted with the Canadian maple leaf before the men's semifinal ice hockey game against the USA at the 2014 Winter Olympics, Feb. 21, 2014, in Sochi, Russia.

Yuna Kim of South Korea, left, and Adelina Sotnikova of Russia skate on the ice following the flower ceremony for the women's free skate figure skating finals at the Iceberg Skating Palace during the 2014 Winter Olympics, Feb. 20, 2014, in Sochi, Russia.

Norway's Magnus Hovdal Moan, Joergen Graabak, Magnus Krog and Haavard Klemetsen, from left, dive as they celebrate winning the gold medal of the Nordic combined Gundersen large hill team competition at the 2014 Winter Olympics on Feb. 20, 2014, in Krasnaya Polyana, Russia.

Anne Schleper of the United States skates back to the bench after Canada scored in overtime to win the women's gold medal ice hockey game 3-2 at the 2014 Winter Olympics, Feb. 20, 2014, in Sochi, Russia.

A visitor to the Olympic Park is silhouetted while walking past the Olympic cauldron at the 2014 Winter Olympics, Feb. 20, 2014, in Sochi, Russia.

Gold medalist Adelina Sotnikova of Russia celebrates during the flower ceremony for the Ladies' Figure Skating on day 13 of the Sochi 2014 Winter Olympics at Iceberg Skating Palace on Feb. 20, 2014 in Sochi, Russia.

Russian fans kiss during the Men's Ice Hockey Quarterfinal Playoff between Finland and Russia on Day 12 of the 2014 Sochi Winter Olympics at Bolshoy Ice Dome on Feb. 19, 2014 in Sochi, Russia.

Canada's E.J. Harnden, right, and Ryan Harnden, left, sweep ahead of the rock during the men's curling semifinal game against China at the 2014 Winter Olympics on Feb. 19, 2014, in Sochi, Russia.

France's Mae Berenice Meite performs in the Women's Figure Skating Short Program at the Iceberg Skating Palace during the Sochi Winter Olympics on Feb. 19, 2014.

Russia forward Ilya Kovalchuk reacts after scoring a goal against Finland during the first period of a men's quarterfinal ice hockey game at the 2014 Winter Olympics on Feb. 19, 2014, in Sochi, Russia.

New Zealand's Lyndon Sheehan gets air during the men's ski halfpipe final at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Feb. 18, 2014, in Krasnaya Polyana, Russia.

Eve Muirhead of Great Britain looks on during the women's semifinal match between Great Britain and Canada at Ice Cube Curling Center on Feb. 9, 2014 in Sochi, Russia.

Maria Lamb of the United States competes during the Women's 5000m Speed Skating event at the Sochi 2014 Winter Olympics at Adler Arena Skating Center on Feb. 19, 2014 in Sochi, Russia.

Ondrej Moravec of the Czech Republic reacts as he wins bronze in the men's biathlon 15 km mass start, Feb. 18, 2014, in Rosa Khutor, near Sochi.

Gold medalists Andreas Wank, Marinus Kraus, Andreas Wellinger and Severin Freund of Germany celebrate during the medal ceremony for the Men's Team Ski Jumping at the Sochi 2014 Winter Olympics at Medals Plaza, Feb. 18, 2014 in Sochi, Russia.

Wearing masks, members of Russian punk group Pussy Riot, Nadezhda Tolokonnikova (L) and Maria Alyokhina (R) speak to journalists while leaving the police station of Adler, near Sochi, Feb. 18, 2014.

Switzerland's Roman Josi and goalkeeper Jonas Hiller slide in the nets during the Men's Ice Hockey Play-offs Switzerland vs Latvia at the Bolshoy Ice Dome during the Sochi Winter Olympics, Feb. 18, 2014.

Mike Riddle of Canada practices ahead of the Freestyle Skiing Men's Ski Halfpipe Finals Feb. 18, 2014 at Rosa Khutor Extreme Park in Sochi, Russia.

A fan watches the race in the rain during the women's two-man bobsled competition at the 2014 Winter Olympics, Feb. 18, 2014, in Krasnaya Polyana, Russia.

Magnus Hovdal Moan of Norway competes at the RusSki Gorki Jumping Center, Feb. 18, 2014.

Kong Sangjeong, Cho Ha-Ri, Kim Alang, Park Seunghi and Shim Sukhee of South Korea celebrate after winning gold in the women's short track 3000 meter relay final, Feb. 18, 2014.

Snowboarders compete in the men's snowboard cross semifinals at the Rosa Khutor Extreme Park, Feb. 18, 2014.

Athletes in the women's biathlon 12.5k mass-start, at the 2014 Winter Olympics, Feb. 17, 2014, in Krasnaya Polyana, Russia.

Switzerland's Sandro Trolliet, left, delivers the rock to sweepers Claudio Paetz, center, and Simon Gempeler during men's curling competition against the United States at the 2014 Winter Olympics, Feb. 17, 2014, in Sochi, Russia.

Russia's bronze medalists Nikita Katsalapov and Elena Ilinykh and US gold medalists Meryl Davis and Charlie White celebrate during the Figure Skating Ice Dance Flower Ceremony at the Iceberg Skating Palace during the Sochi Winter Olympics, Feb. 17, 2014.

Belarus' Anton Kushnir competes in the Men's Freestyle Skiing Aerials qualifications at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on Feb. 17, 2014.

Athletes train as fog enshrouds the course of the men's biathlon 15k mass-start, at the 2014 Winter Olympics on Feb. 17, 2014, in Krasnaya Polyana, Russia. The race has been delayed due to fog, one day after the event was called off for the same reason.

Sara Studebaker posted this photo to Facebook, "Too foggy for biathlon, but we had a fun morning anyway!"

Speedskaters of Poland practice the team pursuit at the Adler Arena Skating Center during the 2014 Winter Olympics on Feb. 17, 2014, in Sochi, Russia.

Kendall Coyne and Jocelyne Lamoureux of the United States celebrate a goal by Megan Bozek in the second period against Valentina Lizana Wallner of Sweden during the Women's Ice Hockey Playoffs Semifinal game on day ten of the Sochi 2014 Winter Olympics at Shayba Arena on Feb. 17, 2014 in Sochi, Russia.

Czech Republic's Eva Samkova, left, celebrates after taking the gold medal in the women's snowboard cross final, ahead of silver medalist Dominique Maltais of Canada, right, at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Krasnaya Polyana, Russia.

Lindsey Jacobellis of the United States crashes in the women's snowboard cross semifinal as Canada's Dominique Maltais tries to avoid her at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Krasnaya Polyana, Russia.

Japan's Noriaki Kasai makes his first attempt during the ski jumping large hill final at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Krasnaya Polyana, Russia. (AP Photo/Dmitry Lovetsky)

Lars Haugen #30 of Norway gives up a goal to Michael Rene Grabner #40 of Austria in the third period during the men's ice hockey preliminary round group B game on day nine of the Sochi 2014 Winter Olympics at Bolshoy Ice Dome on Feb. 16, 2014 in Sochi, Russia.

Greece's Massimiliano Valcareggi arrives in the finish area on one ski after crashing in the men's super-G at the Sochi 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Krasnaya Polyana, Russia.

Hiroatsu Takahashi of Japan makes a run during the mens skeleton on day 8 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on Feb. 15, 2014 in Sochi, Russia.

Team USA celebrates winning over Russia in a shootout during overtime of a men's ice hockey game at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Sochi, Russia.

Silver medalist Koen Verweij of the Netherlands grabs his hair when the race was declared a tie with gold medalist Poland's Zbigniew Brodka in the men's 1,500-meter speedskating race at the Adler Arena Skating Center during the 2014 Winter Olympics in Sochi, Russia, Saturday, Feb. 15, 2014.

USA forward Phil Kessel reacts as Russia goaltender Sergei Bobrovski can't stop a goal by USA defenseman Cam Fowler during the second period of a men's ice hockey game at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Sochi, Russia.

Shani Davis of United States competes in the speed skating men's 1500m on day eight of the Sochi 2014 Winter Olympics at Adler Arena Skating Center on Feb. 15, 2014 in Sochi, Russia.

USA forward Max Pacioretty and Russia forward Valeri Nichushkin hit the ice in the second period of a men's ice hockey game at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Sochi, Russia.

Australia's Laura Peel competes in the women's freestyle skiing aerials at the Rosa Khutor Extreme Park during the 2014 Sochi Winter Olympics, Feb. 14, 2014, in Sochi, Russia.

Lizzy Yarnold of Great Britain competes in a run during the women's skeleton at the 2014 Sochi Winter Olympics at Sliding Center Sanki, Feb. 14, 2014, in Sochi, Russia.

Japan's Yuzuru Hanyu competes in the men's figure skating free program at the Iceberg Skating Palace during the 2014 Sochi Winter Olympics, February 14, 2014, in Sochi, Russia.

Maritn Roeymark #22 of Norway collides with Aleksander Barkov #16 of Finland in the second period during the men's ice hockey preliminary game at the 2014 Sochi Winter Olympics at Shayba Arena, Feb. 14, 2014, in Sochi, Russia.

Switzerland's Benjamin Weger competes in the men's biathlon 20 km individual at the Laura Cross-Country Ski and Biathlon Center during the 2014 Sochi Winter Olympics, Feb. 13, 2014, in Rosa Khutor near Sochi, Russia.

Jan Vrba of the Czech Republic pilots a run during the men's two-man bobsled training session during the 2014 Sochi Winter Olympics at the Sanki Sliding Center, Feb. 13, 2014, in Sochi, Russia.

Paul Bonifacio Parkinson of Italy competes during the men's figure skating short program during the 2014 Sochi Winter Olympics at the at Iceberg Skating Palace, Feb. 13, 2014, in Sochi, Russia.

Jiayu Liu of China competes in the women's snowboard halfpipe finals during the 2014 Sochi Winter Olympics at Rosa Khutor Extreme Park, Feb. 12, 2014, in Sochi, Russia.

China's Peng Cheng and Zhang Hao perform their figure skating pairs free program at the Iceberg Skating Palace during the 2014 Sochi Winter Olympics, Feb. 12, 2014, in Sochi, Russia.

Toni Eggert and Sascha Benecken of Germany make a run during the men's luge doubles during the 2014 Sochi Winter Olympics at Sliding Center Sanki, Feb. 12, 2014, in Sochi, Russia.

Eric Frenzel of Germany and Akito Watabe of Japan compete during the individual nordic combined during the 2014 Sochi Winter Olympics at the RusSki Gorki Nordic Combined Skiing Stadium, Feb. 12, 2014, in Sochi, Russia.

Shani Davis of the United States competes during the men's 1000m speed skating during the 2014 Sochi Winter Olympics at the Adler Arena Skating Center, Feb. 12, 2014, in Sochi, Russia.

Mirabelle Thovex of France crashes out in the women's snowboard halfpipe semifinals during the 2014 Sochi Winter Olympics at Rosa Khutor Extreme Park, Feb. 12, 2014, in Sochi, Russia.

Eric Frenzel of Germany reacts after winning in the cross country race of the nordic combined individual normal hill 10 km event of the Sochi 2014 Winter Olympic Games, at the RusSki Gorki Ski Jumping Center in Rosa Khutor, Feb. 12, 2014.

Stephanie Magiros of Australia competes in the women's snowboard halfpipe semifinals at the Rosa Khutor Extreme Park during the 2014 Sochi Winter Olympics, Feb. 12, 2014.

Xuetong Cai of China competes in the women's snowboard halfpipe qualification heats on day five of the Sochi 2014 Winter Olympics at Rosa Khutor Extreme Park, Feb. 12, 2014 in Sochi, Russia.

Dominique Gisin of Switzerland makes a turn in the women's downhill at the Sochi 2014 Winter Olympics, Feb. 12, 2014, in Krasnaya Polyana, Russia.

The U.S. team huddles around the net prior to the women's ice hockey preliminary round group a game against the Canada on day five of the Sochi 2014 Winter Olympics at Shayba Arena, Feb. 12, 2014 in Sochi, Russia.

Russia's Tatiana Volosozhar and Maxim Trankov perform in the figure skating pairs short program at the Iceberg Skating Palace during the 2014 Sochi Winter Olympics, Feb 11, 2014.

Competitors ski past the Olympic rings during the men's cross-country sprint quarterfinals, at the 2014 Sochi Winter Olympics, Feb. 11, 2014, in Krasnaya Polyana, Russia.

Shaun White of the U.S. crashes out in the snowboard men's halfpipe finals on day four of the Sochi 2014 Winter Olympics at Rosa Khutor Extreme Park on Feb. 11, 2014 in Sochi, Russia.

Denise Roth of Germany competes in women's 500-meter speed skating during Day 4 of the Sochi 2014 Winter Olympics at Adler Arena Skating Center, Feb. 11, 2014 in Sochi, Russia.

Curlers participate in the men’s round robin session during Day 4 of the Sochi 2014 Winter Olympics at the Ice Cube Curling Center, Feb. 11, 2014 in Sochi, Russia.

Switzerland's Florence Schelling makes a save in front of Kelli Stack of the United States during the Women's Ice Hockey Preliminary Round Group A game against at Shayba Arena in Sochi, Russia, Feb. 10, 2014.

Stacey Cook of the United States competes during the Alpine Skiing Women's Super Combined at the Rosa Khutor Alpine Center in Sochi, Russia, Feb. 10, 2014.

Canada's Charles Hamelin embraces his girlfriend Marianne St-Gelais after winning a gold medal in the Men's Short Track 1500m final at the Iceberg Skating Palace during the Sochi Winter Olympics, Feb. 10, 2014.

Ville Miettunen of Finland crashes out during the Men's Moguls qualifier at Rosa Khutor Extreme Park in Sochi, Russia, Feb. 10, 2014.

E.J Harnden of Canada competes against Germany at the Ice Cube Curling Center in Sochi, Russia, Feb. 10, 2014.

Katie Uhlaender of the United States practices during a Women's Skeleton training session at the Sanki Sliding Center in Sochi, Russia, Feb. 10, 2014.

A fan of Canada wearing a hat in the shape of a stone looks on during their men's curling against Germany at the 2014 Sochi Olympics in the Ice Cube Curling Center in Sochi, Feb. 10, 2014.

Norway's bronze medal winner Anders Bardal jumps onto the podium after the men's normal hill ski jumping final at the 2014 Winter Olympics, in Krasnaya Polyana, Russia, Feb. 9, 2014.

Felix Loch of Germany jumps onto the podium after he won the gold medal during the men's singles luge final at the 2014 Winter Olympics, Feb. 9, 2014, in Krasnaya Polyana, Russia.

Gold medalists team Russia celebrate during the flower ceremony for the team figure skating overall during day two of the Sochi 2014 Winter Olympics at Iceberg Skating Palace on Feb. 9, 2014 in Sochi, Russia.

Severin Freund of Germany crashes during the Men's Normal Hill Individual Ski Jumping Final on day two of the Sochi 2014 Winter Olympics at the RusSki Gorki Jumping Center in Sochi, Russia, Feb. 9, 2014.

Gold medalist Jamie Anderson of the United States celebrates during the flower ceremony for the women's snowboard slopestyle finals during day two of the Sochi 2014 Winter Olympics at Rosa Khutor Extreme Park on Feb. 9, 2014 in Sochi, Russia.

Canada's Justine Dufour-Lapointe, center, celebrates her gold medal in the women's moguls final with her sister and silver medalist Chloe Dufour-Lapointe, left, and bronze medalist United States' Hannah Kearney, at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Feb. 8, 2014, in Krasnaya Polyana, Russia.

Austria's gold medalist Matthias Mayer makes a turn in the men's downhill at the Sochi 2014 Winter Olympics, Feb. 9, 2014, in Krasnaya Polyana, Russia.

Italy's Christof Innerhofer celebrates after finishing the mens's downhill event at the 2014 Winter Olympics, Feb. 9, 2014, in Krasnaya Polyana, Russia. Innerhofer finished second in the event.

Ekaterina Bobrova and Dmitri Soloviev of Russia compete in the figure skating team ice dance - short dance during day one of the Sochi 2014 Winter Olympics at Iceberg Skating Palace on Feb. 8, 2014 in Sochi, Russia.

SOCHI, RUSSIA - FEBRUARY 08: Meryl Davis and Charlie White of the United States compete in the Figure Skating Team Ice Dance - Short Dance during day one of the Sochi 2014 Winter Olympics at Iceberg Skating Palace on February 8, 2014 in Sochi, Russia. (Photo by Matthew Stockman/Getty Images)

Sage Kotsenburg of the United States celebrates after winning the men's snowboard slopestyle final at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Saturday, Feb. 8, 2014, in Krasnaya Polyana, Russia.

Sverre Lunde Pedersen of Norway competes during the men's 5000m speed skating event during day 1 of the Sochi 2014 Winter Olympics at Adler Arena Skating Center on February 8, 2014 in Sochi, Russia.

Silver medalist Staale Sandbech, left, of Norway, gold medalist Sage Kotsenburg, of the United States, center, and bronze medalist Mark McMorris, right, of Canada, pose on the podium during the medal ceremony for the snowboard men's slopestyle competition at the 2014 Winter Olympics, Saturday, Feb. 8, 2014, in Sochi, Russia.

Austria's Matthias Mayer makes a jump during a men's downhill training run for the Sochi 2014 Winter Olympics, Saturday, Feb. 8, 2014, in Krasnaya Polyana, Russia.

Snowboarder Shaun White of the United States practices during a training session on during day 1 of the Sochi 2014 Winter Olympics at Rosa Khutor Extreme Park on Feb. 8, 2014 in Sochi, Russia.

Reinhard Egger of Austria in action during a men's singles luge training session ahead of the Sochi 2014 Winter Olympics at the Sanki Sliding Center, Feb. 7, 2014 in Sochi, Russia.

Japan's Daiki Ito makes an attempt during the men's normal hill ski jumping training at the 2014 Winter Olympics, Feb. 7, 2014, in Krasnaya Polyana, Russia.

France's David Poisson makes a jump during a men's downhill training run for the Sochi 2014 Winter Olympics, Feb. 7, 2014, in Krasnaya Polyana, Russia.

Sweden's Henrik Harlaut takes a jump during ski slopestyle training at the Rosa Khutor Extreme Park ahead of the 2014 Winter Olympics, Feb. 7, 2014, in Krasnaya Polyana, Russia.

Finland's Iivo Niskanen skis during a training session in the cross country stadium prior to the 2014 Winter Olympics, Feb. 7, 2014, in Krasnaya Polyana, Russia.

Kristaps Maurins of Latvia in action during a Men's Singles Luge training session ahead of the Sochi 2014 Winter Olympics at the Sanki Sliding Center, Feb. 7, 2014 in Sochi, Russia.

Norway's Aksel Lund Svindal comes to a fault at the end of a men's downhill training run for the Sochi 2014 Winter Olympics, Feb. 7, 2014, in Krasnaya Polyana, Russia.

Marissa Castelli and Simon Shnapir of the U.S. compete in the team pairs short program figure skating competition at the Iceberg Skating Palace during the 2014 Winter Olympics, Feb. 6, 2014, in Sochi, Russia.

Meagan Duhamel and Eric Radford of Canada compete in the figure skating pairs short program during the 2014 Sochi Winter Olympics at Iceberg Skating Palace, Feb. 6, 2014 in Sochi, Russia.

Czech Republic's Sarka Pancochova takes a jump during the women's snowboard slopestyle qualifying at the Rosa Khutor Extreme Park ahead of the 2014 Winter Olympics, Feb. 6, 2014, in Krasnaya Polyana, Russia.

Ryan Stassel of the United States competes in the Men's Slopestyle Qualification during the Sochi 2014 Winter Olympics at Rosa Khutor Extreme Park, Feb. 6, 2014 in Sochi, Russia.

US Eliza Outtrim competes in the Women's Freestyle Skiing Moguls qualifications at the Rosa Khutor Extreme Park during the Sochi Winter Olympics, Feb. 6, 2014.

Italy's Deborah Scanzio competes in the Women's Freestyle Skiing Moguls qualifications at the Rosa Khutor Extreme Park during the Sochi Winter Olympics, Feb. 6, 2014.