French Spiderman Alain Robert climbs up Burj Khalifa, the world's tallest tower in Dubai, United Arab Emirates, on March 28. Just before sunset, the skyscraper climber started to pull his way up the side of the world's tallest tower in Dubai. Kamran Jebreili/AP
French climber Alain Robert, also known as 'Spiderman,' scales the Centre Pompidou modern art museum, also known as Beaubourg, in Paris on March 17. Jacky Naegelen/Reuters
French climber Alain Robert, also known as the 'French Spiderman,' climbs the Singapore Flyer, Singapore's version of the London Eye, on Nov. 5, 2010 in Singapore. Wong Maye-E/AP
French daredevil climber Alain Robert climbs the 165-meter-high 46-story Italia building in downtown Sao Paulo on Feb. 27, 2008. Robert successfully scaled Sao Paulo's landmark building on his second attempt in a week, after being arrested by police while he began to climb. Rickey Rogers/Reuters
French daredevil climber Alain Robert dressed like Spiderman gives the thumbs up as he climbs a 32-story building in business district La Defense, outside Paris, on June 18, 2002. Robert has climbed more than 30 skyscrapers over the world. Jacques Brinon/AP
French climber Alain Robert scales the Hang Seng Bank headquarters in Hong Kong on Jan. 26. Robert is world famous for illegally climbing tall buildings across the world. Mike Clarke/AFP
French urban climber Alain Robert also known as 'French Spiderman,' climbs the French Direct 8 TV channel building as part of a live show 'Mon incroyable histoire,' near Paris. SICHOV/SIPA/Newscom
French climber Alain Robert climbs the front of the GDF-Suez building on April 7, 2010 in La Defense business center outside of Paris. Aguirre Emannuel/Newscom
French climber Alain Robert, also known as 'French Spiderman' climbs the front of the Ariane building, a 230 meter tower in La Defense, outside Paris. Newscom
'French Spiderman' Alain Robert climbs Malaysia's Petronas Towers, in his third attempt on the nation's tallest structure, in Kuala Lumpur on Sept. 1, 2009. Robert began climbing the 88-story building before dawn and reached the top before being discovered by security officials. New Straits Times/AFP/Newscom
French climber Alain Robert, also known as 'Spiderman,' was arrested by police after climbing the Lloyds Building in a protest to raise awareness of climate change, in central London on April 2, 2009. Facundo Arrizabalaga/Newscom
French climber Alain Robert, also known known as the 'French Spiderman,' poses in front of Burj Khalifa, the world's tallest tower before his climb on March 28, in Dubai, United Arab Emirates. Kamran Jebreili/AP
At least 60,000 mostly Kurdish refugees have entered Turkey since Thursday after Islamic State militants surrounded a Kurdish stronghold in northern Syria. Some are calling for US airstrikes to stop the group's advance.
ByDominique Soguel, Correspondent
Tens of thousands of Syrians have crossed into Turkey in recent days, fleeing an Islamic State offensive that has opened up another front in Syria's civil war as the US weighs a bombing campaign there.