Women dance, in the style of Japanese butoh, as the Zero Nuclear Power Celebration Parade makes its way through the streets of Suginami district, May 6, 2012 in Tokyo. The parade was held to celebrate the first day of a "nuclear free Japan", after the Tomari nuclear plant on Japan's Hokkaido Island was taken offline late on the previous evening. (Jeremy Sutton-Hibbert/Getty Images)

Dortmund's Robert Lewandowski, center, raises the trophy to celebrate with teammates following winning of the German Bundesliga Championship after the German first division Bundesliga soccer match between Borussia Dortmund and SC Freiburg, May 5, 2012, in Dortmund, Germany. (Martin Rose/Bongarts/Getty Images)

U.S. Secretary of State Hillary Rodham Clinton, left, talks to West Bengal Chief Minister Mamata Banerjee before a meeting in Kolkata, India, May 7, 2012. Clinton met with Banerjee, a key partner of India's ruling coalition who has stymied government efforts to lift restrictions on foreign-owned investments in the country. (Bikas Das/AP Photo)

Starlin Castro (13) of the Chicago Cubs leaps over Tony Gwynn (10) of the Los Angeles Dodgers to try and turn a double play at Wrigley Field on May 6, 2012 in Chicago. (Jonathan Daniel/Getty Images)

Children dance around the maypole at the May Day village celebrations in Priston, May 7, 2012 in Somerset, England. The traditional May Day is said to have started 2,000 years ago in Roman Britain, when Roman soldiers celebrated the arrival of spring by dancing around decorated trees thanking their goddess Flora. The maypole remains a focus for dancing and festivities across England. (Matt Cardy/Getty Images)

Spanish bullfighter Salvador Vega performs at "Las Ventas" bullring on May 6, 2012 in Madrid. (Carlos Alvarez/Getty Images)

Outgoing French President Nicolas Sarkozy addresses supporters at his Union for a Popular Movement (UMP) party headquarters after the preliminary results of the second round of the presidential elections were announced in Paris, May 6, 2012. The first results showed a 52 percent lead for Socialist Party candidate Francois Hollande ultimately defeating Sarkozy. (Michel Euler/AP Photo)

Russian riot police disperse opposition protesters in downtown Moscow, May 6, 2012. Riot police in Moscow have begun arresting protesters who were trying to reach the Kremlin in a demonstration on the eve of Vladimir Putin's inauguration as president. (Sergey Ponomarev/AP Photo)

Emilie Heymans, left, and Jennifer Abel, of Canada, perform during the 3-meter synchro final at the Canada Cup diving competition in Montreal, May 6, 2012. (Graham Hughes/The Canadian Press/AP Photo)

This photo taken by an anonymous Tsukuba resident shows a tornado in Tsukuba city, northeast of Tokyo, May 6, 2012. The tornado tore through the area, injuring at least 30 people, destroying dozens of homes and leaving thousands more without electricity. (Kyodo News/AP Photo)

An Indian woman plays with her child outside her house ahead of Mother's Day, in Allahabad, India, May 6, 2012. Mother's Day will be celebrated on May 13, 2012. (Rajesh Kumar Singh/AP Photo)

Jairus Kipchoge (21), Jonathan Ndiku (18), Gilbert Kirui (22) of Kenia, and Roba Gari of Ethiopia compete during the men's 3,000 meter steeplechase heats at the Golden Grand Prix in Kawasaki, near Tokyo, May 6,2012. Kipchoge won the race. (Shizuo Kambayashi/AP Photo)