2016年1月12日，一位冬泳爱好者站在高处，准备跳入冰冷的玉渊潭河水中。[中国网 郭翊明 摄]
A man prepares to dive into the icy cold water of Yuyuantan Park, a scenic spot with half of its area covered by four lakes in Beijing's Haidian District, on Jan. 12, 2016. [Photo by Guo Yiming/China.org.cn]