Constructors celebrate the completion of construction of the highway linking Pad Township in the city of Nyingchi and Medog County, southwest China's Tibet Autonomous Region, May 16, 2021. Construction of a highway passing through the Yarlung Zangbo Grand Canyon, known as the world's deepest canyon with a maximum depth of 6,009 meters, was completed on Saturday in southwest China's Tibet Autonomous Region. The project took almost seven years to complete. A 2,114-meter tunnel was dug through on Saturday morning, marking the completion of the major construction of the 67.22-km road connecting Pad Township in the city of Nyingchi and Medog County. (Photo by Dong Zhixiong/Xinhua)
