Taipei: French Spiderman, Alain Robert, climbs to the tip of the world's tallest building, Taipei 101, in December 25, 2004. It is part of the week-long celebration for the official opening of the tower in December 31, 2004. He spent approximately four hours to reach the tip at 509m. A safety rope was used as a safety precaustion due to the windy and rainy weather. He also climbed more than 70 skyscrapers around the world.