A bucket of ice water is dumped on a freezing weather challenger in Zhangjiajie, Central China's Hunan province, Jan 24. More than 30 people joined in the event on the Tianmen Mountain at 1,518 meters above sea level, with temperatures registering zero degrees Celsius. The challengers, clad in swimsuits, have to receive at least 6 buckets of ice water while standing in a box full of ice cubes. [Photo/IC]