Dong Van Karst Plateau, also known as Dong Van Highland, is a stone plateau spread over four districts, including Quang Ba, Yen Minh, Dong Van, Meo Vac of Ha Giang province. Dong Van Karst Plateau has an area of 2356.80 km2, located 150 km from Ha Giang town, having the average height from 1.000 to...