A police officer checks fire-fighting gears on train No. G8311 from Hefei City to Anqing City, in east China's Anhui Province, Dec. 22, 2020. The Hefei-Anqing section of the Beijing-Hong Kong high-speed railway was put into operation Tuesday. Cities of Hefei and Anqing, both in Anhui Province, are critical hubs where several other major railway tracks intersect. The 176-kilometer section of tracks allow trains to run at a designed speed of 350 kilometers per hour on them. (Xinhua/Huang Bohan)