![High-speed loop line in South China's Hainan(1/13)](http://www.ecns.cn/hd/2018/03/29/5a9e6cd5a49044fa84b420a9b07ef943.jpg)
Photo taken on March 7, 2018 shows a bullet train running on the western track of the high-speed loop line near Qiziwan Railway Station, 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)