A train attendant poses next to a high-speed train during its trial operation along the Shangqiu-Hefei-Hangzhou High-speed Railway at Zhegao Railway Station in Chaohu city, East China's Anhui province, May 27. The Hefei-Huzhou section of the Shangqiu-Hefei-Hangzhou High-speed Railway entered a trial operation phase on Wednesday. [Photo by Liu Junxi/Xinhua]