Xinhua photos of the day

Aerial photo taken on May 13, 2019 shows workers inspecting a photovoltaic power plant built on barren mountains in Tumu Town of Huailai County in Zhangjiakou City, north China's Hebei Province. Zhangjiakou has developed and utilized new energy, with installed capacity surpassing 12 million kilowatts. (Xinhua/Yang Shiyao)