Aerial photo taken on June 27, 2017 shows a photovoltaic (PV) power station in Si'an Town, Changxing County of east China's Zhejiang Province. A PV power station was officially put into use on Tuesday in Si'an, which allows agricultural production under the PV panels and is expected to generate more than 70 million kwh electric power every year. (Xinhua/Xu Yu)
