So if we want to get the overall recognition about the transportation in Tubo , only do we analyze the surrounding lines attentively.

Actually, a thousand years ago, the Law of Tubo Dynasty had made clear and detailed regulations on such kind of behaviors.

Central Plains early medical and calendar introduced to the Tubo, Princess Wen Cheng Tibet is to expand the scale of this exchange.

However, there were still many wars in such a powerful dynasty, especially those intermittent wars against Tubo and Nan Zhao, forming a long-term battle.

In the Sui (581-618) and Tang (618-907) dynasties, the ancient Turk and Tubo peoples exerted important influences on the course of Xinjiang's history.