Ice Water Challenge In Hunan

ZHANGJIAJIE, CHINA - JANUARY 24: (CHINA OUT) Ice cold water is poured over the head of a participant during an Ice Water Challenge at Tianmenshan Mountain on January 24, 2015 in Zhangjiajie, Hunan province of China. The Ice Water Challenge was held on top of Tianmenshan Mountain, which has an altitude of 1518 meters and today experienced a temperature of 0 degrees celsius. More than 30 male and female participants took part in the challenge, which involved having buckets of water poured over them, without wearing any protective clothing. (Photo by VCG/VCG via Getty Images)