Aerial photo taken on June 28, 2021 shows the Huishui Bridge of the Duyun-Anshun expressway in southwest China's Guizhou Province. The Duyun-Anshun expressway was put into operation on Monday. It is the first section of the 276-kilometer-long national expressway G7611 linking Duyun with Shangri-La. (Xinhua/Tao Liang)
