
A flock of sheep are seen at a photovoltaic (PV) power station at the Tibetan Autonomous Prefecture of Hainan, northwest China's Qinghai Province, on June 16, 2019. Northwest China's Qinghai Province completed a 15-day all clean energy power supply trial, setting a new record following a successful nine-day trial last year, the State Grid Qinghai Electric Power Company announced on Monday. Nearly 6 million people in the province, which borders Tibet Autonomous Region, only used electricity generated from wind, solar and hydro power stations, from June 6 to 23. (Xinhua/Wu Gang)














