Ngọc Côn, Trùng Khánh, province of Cao Bằng is a famous border commune with pristine landscapes, the clear green Quây Sơn River, and sprawling rice valleys. This place is home to over 99% of the Tày ethnic group, highlighted by the scenery of "Ngọc Côn Panorama" with a million-dollar view and traditional stilt houses.