In pics: construction site of Shenzhen World Exhibition and Convention Center

Workers work at the construction site of the Shenzhen World Exhibition and Convention Center in Shenzhen, south China's Guangdong Province, April 25, 2019. The project of Shenzhen World Exhibition and Convention Center, designed with an organizing spine to connect 19 halls arranged symmetrically along a central corridor, is planned to be finished on June 30, 2019. (Xinhua/Mao Siqian)