Aerial photo taken on July 7, 2020 shows a test train running on Pengjiachong No. 1 Bridge along the Anshun-Liupanshui High-speed Railway, in southwest China's Guizhou Province. The Anshun-Liupanshui High-speed Railway started operation on Wednesday, linking Liupanshui City with high-speed railway network. (Xinhua/Liu Xu)
