Workers of China Construction Third Engineering Bureau Co., Ltd. attend a completion ceremony of the main structure of the Terminal 3 project of Guiyang Longdongbao International Airport in Guiyang, southwest China's Guizhou Province, Nov. 11, 2020.The main structure of the Terminal 3 project of Guiyang Longdongbao International Airport was announced to be completed Wednesday. The total investment of the third-phase expansion project of Guiyang Longdongbao International Airport was about 20 billion yuan(about 3.03 billion U.S. dollars) and was scheduled to be placed in operation in 2021. (Xinhua/Ou Dongqu)