Four new sections of subway put into operation in Shenzhen

Passengers visit Haishan Station of Shenzhen Subway Line 8 before its launch in Shenzhen, south China's Guangdong Province, Oct. 28, 2020. Four new sections of subway went into operation in Shenzhen on Wednesday, extending the total length of the city's metro system to 411 kilometers. (Xinhua/Mao Siqian)