Chen Kecai (L) and Xiang Yong, two “ice men” known for their abilities to withstand extreme coldness, lead an ice challenge event in Changsha City, the capital of Central China’s Hunan Province, Jan. 17, 2016. Chen and Xiang stayed in the box for about two and a half hours wearing nothing but swimming shorts. The charity event aimed to raise awareness of cancer and also planed to offer medical assistance to 500 patients. (Photo: China News Service/Deng Xia)
