In the millennium ancient salt fields on the ancient road of tea and horses, where the Tibetans hand-made salt, the green brine is dried with artificial camels in the small squares of salt fields. The salt wells here are strong and strong, so the salt can be dried in a few days. . At that time, the people's tea came here to change the salt. Tibetans also liked to drink tea because of the lack of vegetables and other vitamins. Therefore, it has been a major town on the ancient tea-horse road since ancient times. There are two kinds of red salt and white salt. The price of white salt is slightly higher, but the two salts are coarse salt. Nowadays, they are no longer edible. They are only used for bathing and feeding livestock. However, local Tibetans still use this artificial sun. Salt, sit on the mountain, eat the mountain, sit on the water and eat water.