People have fun onKunminglake ice rink in theSummer PalaceinBeijing, capital of China, Jan 21, 2017. Four natural ice rinks located in Beijing's four parks of Summer Palace, Beihai, Zizhuyuan and Taoranting opened to public on Saturday.[Photo/Xinhua]

People have fun on Kunming lake ice rink in the Summer Palace in Beijing, capital of China, Jan 21, 2017. Four natural ice rinks located in Beijing's four parks of Summer Palace, Beihai, Zizhuyuan and Taoranting opened to public on Saturday.[Photo/Xinhua]

People have fun on Kunming lake ice rink in the Summer Palace in Beijing, capital of China, Jan 21, 2017. Four natural ice rinks located in Beijing's four parks of Summer Palace, Beihai, Zizhuyuan and Taoranting opened to public on Saturday.[Photo/Xinhua]

People have fun on Kunming lake ice rink in the Summer Palace in Beijing, capital of China, Jan 21, 2017. Four natural ice rinks located in Beijing's four parks of Summer Palace, Beihai, Zizhuyuan and Taoranting opened to public on Saturday.[Photo/Xinhua]