Black River (Vietnam)
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The Black River (also known as the Da River, sông Đà in Vietnamese) is a river located in Northwest Vietnam that forms the border between the Lai Chau and Dien Bien Provinces.
The Black River (also known as the Da River, sông Đà in Vietnamese) is a river located in Northwest Vietnam that forms the border between the Lai Chau and Dien Bien Provinces.