French Alain Robert known as Spiderman climbs the facade of the Abu Dhabi Investment Authority tower with his bare hands, in the United Arab Emirates (UAE), on February 23, 2007, in front of a crowd of about 100,000. Alain Robert completed the climb in only 20 minutes. Alain Robert also climbed the Sears Tower in Chicago, Petronas Twin Towers in Kuala Lumpur, Eiffel Tower in Paris and Empire State Building in New York City.