High-speed loop line in South China's Hainan(6/13)

Photo taken on March 7, 2018 shows a bullet train running on the western track of the high-speed loop line over the Chuanghua River, south China's Hainan Province. The 653-km high-speed railway line circling the island received over 25 million passengers in 2017. (Xinhua/Yang Guanyu)