Farmers work across China on Dashu, hottest day of summer

A farmer works in a field in the Wulingyuan District of Zhangjiajie City, central China's Hunan Province, July 23, 2018. The Great Heat, or Dashu, in Chinese lunar calendar, which means the hottest day in the summer, falls on July 23 this year. (Xinhua/Wu Yongbing)