Aerial photo taken on March 25, 2020 shows the Jiaodong International Airport under construction in Qingdao, east China's Shandong Province. The construction work of the airport was fully resumed recently. (Xinhua/Li Ziheng)

Staff members work at the terminal building of Jiaodong International Airport in Qingdao, east China's Shandong Province, March 25, 2020. The construction work of the airport was fully resumed recently. (Xinhua/Li Ziheng)