First lady Michelle Obama looks at the art installation "Plexus A1" by Gabrial Dawe as she tours the Renwick Gallery in Washington, May 13, 2016, with the spouses of foreign leaders.
Cliff Owen/AP Photo
People walk past a mural on a restaurant wall depicting presidential hopeful Donald Trump and Russian President Vladimir Putin greeting each other with a kiss in Vilnius, Lithuania, May 13, 2016. Trump has notoriously stated that Putin is a strong leader, and that NATO is obsolete and expensive.
Petras Malukas/AFP/Getty Images
Portugal's synchronized swimming team competes during the Synchronized Swimming team free final event at the European Aquatics Championships in London, May 13, 2016.
Peruvian bullfighter Andres Roca Rey seen in action with his first bull during the San Isidro Festival at Las Ventas bullring in Madrid, May 13, 2016.
Dinamo Bucharest ultra fans ignite smoke grenades in the club's colors, white and red, to pay tribute to Cameroonian midfielder Patrick Claude Ekeng as a farewell ceremony at the Dinamo Stadium in Bucharest, Romania, May 13, 2016. Ekeng fell unconscious without being touched by any other player seven minutes after he entered the match. The 26-year-old Cameroonian player died at hospital hours later, apparently suffering from cardiogenic shock.
Two women walk out of a tear gas fog after clashes with anti-riot police during a demonstration against the French Government's labor law reform bill in Paris, May 12, 2016. The march took place as part of wide-spread protests against the French government's labor reform project.
An aerial view shows a car making its way on a road through flowering canola fields on a serpentine section of the L401 highway near Nienstedt, Germany, May 12, 2016.
Julian Stratenschulte/AP Photo
Israelis watch a fireworks show during celebrations marking Israel's 68th Independence Day in the southern city of Ashkelon, May 11, 2016.
Violins made by students hang to dry at a laboratory of the Antonio Stradivari institute of higher education in Cremona, Italy, April 22, 2016. Cremona, in northern Italy, has more than 100 workshops making violins and other stringed instruments for musicians worldwide, following in the tradition of its great violin-makers which have included Antonio Stradivari and Nicolo Amati.
Stefano Rellandini /Reuters
Lightning flashes in the sky behind the Gateway Arch, right, and Old Cathedral, left, as a line of thunderstorms moves through St. Louis, May 11, 2016. Thousands of Ameren Corp. customers in the St. Louis area are without power after the strong thunderstorm hit the region.
Jeff Roberson/AP Photo
My Phan and Maria Kurjo of Germany warm up for the Women's Diving Synchronized Platform Final on day two of the LEN European Swimming Championships at the Aquatics Centre, May 10, 2016, in London.
Dan Mullan/Getty Images
A protestor wearing a mask uses a water gun to spray the facade of the Public Revenue Office building with colored paint behind the police cordon, during an anti-government protest in downtown Skopje, Macedonia, May 10, 2016. Protests have continued in the Balkan country almost every evening for nearly a month, after the country's president pardoned dozens of politicians who were facing criminal proceedings for alleged involvement in a wiretapping scandal.
Boris Grdanoski/AP Photo
People hang roses on the wall of names of fallen soldiers, at the Armored Corps memorial, before a ceremony marking the annual Memorial Day for soldiers and civilians killed in more than a century of conflict between Jews and Arabs, in Latrun, Israel, May 11, 2016. Israel came to a standstill as sirens wailed across the country on its annual Memorial Day for fallen soldiers and victims of terrorism.
Ariel Schalit/AP Photo
Fireworks explode over participants in a mass dance in the capital's main ceremonial square, a day after the ruling Workers' Party of Korea party wrapped up its first congress in 36 years, in Pyongyang, North Korea, May 10, 2016.
A man who tried to cross the border takes a rest as he walks back to a makeshift camp for refugees and migrants at the Greek-Macedonian border near the village of Idomeni, Greece, May 11, 2016.
A 2.4 meter robot called Cygan built in 1957 on display during a press preview at the Science Museum, May 10, 2016, in London. The Science Museum today held a press conference and photo call announcing a new robot exhibition for 2017.
Jack Taylor/Getty Images
Police attack protesters outside the presidential office in Tegucigalpa, Honduras, May 9, 2016, after demonstrators tried to break past the security perimeter while demanding justice for the March murder of environmentalist and indigenous leader Berta Caceres. Honduras is one of the most violent countries on the planet by homicide statistics, and one of the most dangerous to be an environmental land activist, with 109 killed between 2010 and 2015 according to a Global Witness count.
Fernando Antonio/AP Photo
South Korean little monks wait for ride a merry-go-round at Everland amusement park, May 9, 2016, in Yongin, South Korea. The children have been staying temporarily at a temple to learn about Buddhism for 14 days ahead of Buddha's birthday celebrated in South Korea on May 14th.
Chung Sung-Jun/Getty Images
A wounded warrior with an image of Wonder Woman on her prosthetic leg walks off the stage during the medal presentation ceremonies for the indoor rowing during the Invictus Games in Orlando, Fla., May 9, 2016.
A woman wears a decorated hat during a rally against the Trans-Pacific Partnership (TPP) trade deal in front of the government house at Santiago, Chile, May 9, 2016.
An Indian child vendor cools himself and his watermelons as he waits for customers on a hot afternoon in Jammu, near Kashmir, India, May 9, 2016.
Russian servicemen march during the Victory Day parade, marking the 71st anniversary of the victory over Nazi Germany in World War Two, at Red Square in Moscow, May 9, 2016.
North Korean women working in the Kim Jong Suk silk mill are seen during a press tour, May 9, 2016, in Pyongyang, North Korea. Only about 30 of the more than 100 invited journalists brought into the country to cover the biggest political event in North Korea in decades have been allowed inside the meeting hall to see the proceedings.
Wong Maye-E/AP Photo
A petrol bomb explodes in front of policemen during clashes in Athens, May 8, 2016. Protesters in Greece have hurled firebombs and other projectiles at police in front of parliament before a controversial vote on an austerity bill.
Yorgos Karahalis/AP Photo
A riot policeman fires tear gas towards opposition supporters during a protest in downtown Nairobi, Kenya, May 9, 2016. Kenyan police have tear-gassed opposition supporters after some pelted police with rocks during a protest demanding the disbandment of the electoral authority over alleged bias and corruption.
Ben Curtis/AP Photo
Smoke fills the air as a police officer stands guard at a roadblock along Highway 63 leading into Fort McMurray, May 8, 2016, near Fort McMurray, Alberta, Canada. Wildfires, which are still burning out of control, have forced the evacuation of more than 80,000 residents from the town.
Scott Olson/Getty Images
A pair of bulls wait for their turn to walk the ramp during a bovine beauty pageant in Rohtak, India, May 7, 2016. Hundreds of cows and bulls walked the ramp in the bovine beauty pageant aimed at promoting domestic cattle breeds and raising awareness about animal health.
Altaf Qadri/AP Photo