Workers pour concrete cement onto the ceiling of the Shangtangbei Station of Metro Line 6, which is under construction, Monday. Shangtangbei became the first completed station on Line 6, which is designed to connect Shenzhen North Railway Station with Songgang, passing through Longhua and Bao’an districts, as well as Guangming New Area. The 37.6-kilometer line will have 20 stations and interchange with Lines 4 and 5 at Shenzhen North Railway Station. Sun Yuchen | 