In this aerial photo taken on Nov. 7, 2018, workers patrol a photovoltaic power station built under an inter-village poverty relief program in Huojiaping Village of Yihe Township, Suide County, northwest China's Shaanxi Province, Nov. 7, 2018. Located on the Loess Plateau, Suide County has abundant sunshine and idle lands which are ideal for the construction of photovoltaic power stations. Currently, local authorities are working with a provincial branch of electricity service provider State Grid on a 33-megawatt photovoltaic power station. (Xinhua/Liu Xiao)