Aerial photo taken on June 30, 2017 shows the terminal of the Beijing new airport under construction in the southern Daxing District of Beijing, capital of China. The steel racking of the terminal was completed at that time. June 30 marks the end of the new airport infrastructure construction and the start of the preparatory stage of the airport's operation. The new airport is scheduled to be put into operation before Sept. 30. (Xinhua/Zhang Chenlin)