Alain Robert, 52, completed climbing the 1007-foot (307 meter) high structure in just 70 minutes on Sunday. He had no harness and little space for his feet on the ledges of the tower, which twists as it ascends.
Robert, who is often described as "The French Spiderman," is no stranger to scaling tall buildings.
In 2011, he climbed the world's tallest tower in Dubai. Using a rope and harness to comply with organizers' requirements, it took him just over six hours to scale the 2,717-foot (828 meter) tall Burj Khalifa.
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