Quây Sơn - a beautiful, remote river stockbot 0 137 2021.12.17 17:37 http://vietnamnews.vn/travel/1106947/quay-son-a-beautiful-remote-river… + 2 https://vietnamnews.vn/rss/travel.rss + 4 As one of the rivers flowing along the borders of the country, Quây Sơn River is as poetic and beautiful as a picture. It runs through the rolling limestone mountains of Trùng Khánh District, Cao Bằng Province.