Watch: French 'spiderman' scales 75-storey Dubai tower

A French climber has scaled one of Dubai's tallest skyscrapers, relying on just chalk and sticky tape on his fingertips to help him up the 75-storey high Cayan Tower in the emirate's glitzy Marina area. Alain Robert, 52, climbed the 1007-foot (307-metre) high structure in just 70 minutes on Sunday. He had no harness and little space for his feet on the ledges of the twisted tower. Robert, who is often described as "The French Spiderman," is no stranger to scaling high buildings. In 2011, he used a rope and harness to scale Dubai's 2,717 foot-tall (828-metre) Burj Khalifa in six hours.