
A sanitation worker cleans floor at the T3A terminal of the Jiangbei Airport in Chongqing, southwest China, Aug. 29, 2017. The T3A terminal and the third runway of the airport are put into operation on Tuesday. (Xinhua/Liu Chan)

A sanitation worker cleans floor at the T3A terminal of the Jiangbei Airport in Chongqing, southwest China, Aug. 29, 2017. The T3A terminal and the third runway of the airport are put into operation on Tuesday. (Xinhua/Liu Chan)