Aerial photo shows a train running in the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway in Anqing, east China's Anhui Province, Nov. 19, 2021. The trial operation of the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway began on Friday. (Xinhua/Zhou Mu)

Aerial photo shows a train running in the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway in Anqing, east China's Anhui Province, Nov. 19, 2021. The trial operation of the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway began on Friday. (Xinhua/Zhou Mu)

A train runs in the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway in Anqing, east China's Anhui Province, Nov. 19, 2021. The trial operation of the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway began on Friday. (Xinhua/Zhou Mu)

Aerial photo shows a train running in the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway in Anqing, east China's Anhui Province, Nov. 19, 2021. The trial operation of the Anqing-Huangmei section of the Anqing-Jiujiang high-speed railway began on Friday. (Xinhua/Zhou Mu)