皇冠体育app

/ 皇冠体育app / Society

Earliest site of coal fuel found in Xinjiang

(Xinhua) Updated: 2015-08-14 10:10 Comments

Earliest site of coal fuel found in Xinjiang

An archaeologist of Xinjiang Institute of Archaeology shows copper residue excavated from Jiren Taigoukou Ruins in Qialege'e village in Nilka county in Ili Valley, Northwest 皇冠体育app's Xinjiang Uygur autonomous region, Aug 10, 2015. [Photo/Xinhua]

...