French climber Daredevil scaled the 75-storey Cayan Tower . Alain Robert assisted by nothing more than sticky tape and chalk . The 52-year-old took an hour and a half to ascend the high-rise . Video captures daredevil struggling over a ledge on building .
French climber Alain Robert scaled the 75-storey Cayan Tower . Daredevil assisted by nothing more than sticky tape and chalk . The 52-year-old took an hour and a half to ascend the high-rise . Video captures daredevil struggling over a ledge on building .