NAGQU, July 20 (Xinhua) -- In Xizang, referred to as the "roof of the world," there exists a place called Nagqu, intriguingly dubbed the "roof of the world's roof." Situated at an average altitude of over 4,500 meters, Nagqu earns this nickname as the highest city in China.

Snow-covered mountains, such as Sapukonglagabo, are becoming increasingly popular among tourists with the improvement of transportation conditions. Enjoy the spectacular scenery of the Sapukonglagabo, which features magnificent glaciers, lakes, and meadows.