Detian – Ban Gioc Falls are waterfalls on the Guichun River straddling the Sino-Vietnamese border, located in the Karst hills of Daxing County, China and in the district of…

Detian – Ban Gioc Falls are waterfalls on the Guichun River straddling the Sino-Vietnamese border, located in the Karst hills of Daxing County, China and in the district of…