Scenery of Cao Bằng, Bắc Kan, Vietnam
Cao Bằng is a province of the Northeast region of Vietnam. It has common international border with Guangxi Province of the People's Republic of China. The well-known Bản Giốc waterfalls lies at the border between Vietnam and China. Bắc Kạn is a province south of Cao Bằng. Ba Bể lake is a beautiful natural lake in Bac Kan.