Passengers of the bullet train D9551, the first of the Hangzhou-Huangshan High-speed Railway from Hangzhou, pose for photos at the Hangzhou East Railway Station in Hangzhou, capital of east China's Zhejiang Province, Dec. 25, 2018. The high-speed railway was put into operation on Tuesday, linking Hangzhou, capital of east China's Zhejiang Province which is famous for the West Lake, and Huangshan, a tourist resort well-known for the Huangshan Mountain. (Xinhua/Huang Zongzhi)