Aerial photo taken on Feb. 20, 2021 shows workers pushing a train section at the Longzhen train depot of Guangzhou Metro Line 18 and Line 22 in Guangzhou, south China's Guangdong Province. The first electric train, with a maximum designed speed of 160 km per hour, was put into the designated location at the Longzhen train depot of Guangzhou Metro Line 18 and Line 22 on Saturday. Metro Line 18 and Line 22, linking the urban area and Nansha free-trade zone in Guangzhou, will be the first metro lines within Guangdong-Hong Kong-Macao Greater Bay Area with a maximum designed speed of 160 km per hour. (Xinhua/Liu Dawei)
