Located in Tongwan City on the edge of Jingbian, this ancient city that has been in the past thousands of years is located on the edge of the Maowusu Desert. The white city pool has a strong impact on the human eye. This is a rare site. It is a common civilization heritage of mankind. It is a site that is difficult to see by ordinary people. When you stand next to the site to speculate what the ancients said, that is, this was once a beautiful place of water and grass, is a treasure with historical precipitation.