Introduction to the Tang-Tibet Ancient Road: The Tang-Tibet Ancient Road, also called the Mantouling (ancient) Post Road, is a very famous road in ancient Chinese history. It has also been a must-have for traveling from the mainland of the Central Plains to Qinghai, Tibet, and even Nepal, India and other countries since the Tang Dynasty. Through the road. The famous Princess Wencheng took this road to marry King Songtsen Gampo of Tubo. The starting point of this avenue is Chang'an (now Xi'an, Shaanxi Province), the capital of the Tang Dynasty, and the end point is Luoche (now Lhasa, Tibet), the capital of Tubo. It spans the four provinces and regions of today's Shaanxi, Gansu, Qinghai and Tibet, with a total length of about 3,000 kilometers. More than half of the road sections are in Qinghai. Known as the "South Silk Road", it is a witness to the friendship between Tibetan and Chinese, one of the three major thoroughfares in ancient China, and a "cultural canal" carrying good relations between Chinese and Tibetan people and the spread of science and technology. Like a long rainbow, it closely connects the Tibetan and Han people. together. To this day, in many places where the ancient road passes, there are still stations, cities, villages and ancient temples built by people, leaving behind the splendid culture created by people in their time.