Workers work at the construction site of a 5G base station at Chongqing Hi-tech Zone in Chongqing, southwest China, April 15, 2020. In recent days, local authorities of Chongqing Hi-tech Zone have sped up efforts to strengthen infrastructure construction under strict measures taken to fight against the COVID-19, which will lead to better transportation and communication conditions in the region. (Xinhua/Wang Quanchao)