Children play next to an artificial lake in Bayi Park, Baotou, Inner Mongolia autonomous region, July 17. The day marked the beginning of sanfu, which means the hottest period of the year in Chinese, and is set to last 40 days. [Photo/Baotou Evening News]
A dog takes to the water in Bayi Park, Baotou, Inner Mongolia autonomous region, July 17. [Photo/Baotou Evening News]