The road is not only an ancient international trade route, but also a splendid cultural bridge liking the cultures of China, India, Persia, Arabia, Greek and Rome. The Four Great Inventions of China and religions of the West were introduced into their counterparts.
In fact, besides the Silk Road in the northwest of China, there are another two trade roads in the southwest of China and by sea, which also contributed greatly to the development of the world. They are called the "Southern Silk Road" and the "Silk Road on the Sea".