Rock-color paintings created in NW China's Dunhuang

Combined photo shows Zhang Jielong grinding rock pigment at his studio in Dunhuang, Northwest China's Gansu province, Nov 15, 2016. Zhang Jielong was born in 1989. He started to learn rock-color painting in his childhood. The young man has become a member of the provincial artists association and had his own studio in Dunhuang. [Photo/Xinhua]