
Tourists enjoy the scenery of cliffs in Guoliang Village in Huixian, central China's Henan Province, May 16, 2017. (Xinhua/Zhu Xiang)

Tourists enjoy the scenery of cliffs in Guoliang Village in Huixian, central China's Henan Province, May 16, 2017. (Xinhua/Zhu Xiang)