Qinghai transmits 1.64 bln kwh of electricity to Tibet (2/4)

Two workers of China's State Grid check equipments at a convertor station in Golmud, northwest China's Qinghai Province, Feb. 20, 2014. After being put into test operation in Nov. 11, 2011, the Qinghai-Tibet AC-DC Interconnection Project has transmitted 1.64 billion kwh of electricity to Tibet Autonomous Region. (Xinhua/Zhang Hongxiang)