Qinqiang opera amateurs perform popular operas at the senior center along the Yellow River, in Lanzhou city, capital of Gansu province on July 18. Since the hottest days of summer started in July, many Qinqiang opera players chose to perform on the bank of the Yellow River to entertain the public in summer and bring cool feelings. Qinqiang or Shaanxi opera is a Chinese folk opera from Shaanxi province and popular in North Chinese provinces such as Gansu.[Photo/xinhuanet.com]