Aerial photo taken on Dec. 25, 2018 shows the bullet train D9551 running on the Hangzhou-Huangshan High-speed Railway in Jiande City, east China's Zhejiang Province. China plans to build 3,200 km of new high-speed railways in 2019, with the total length expected to exceed 30,000 km, Lu Dongfu, general manager of the China Railway (CR), told a work conference Wednesday. (Xinhua/Xu Yu)