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  • 21 Aug, 2019

  • By, Wikipedia

Cao Sơn, Bắc Kạn

Cao Sơn is a commune () and village in Bạch Thông District, Bắc Kạn Province, in Vietnam.

21°26′N 106°19′E / 21.433°N 106.317°E / 21.433; 106.317