Discovering Thẳm Phầy mysterious cave in Bắc Kạn
Located in the vast forest of Ba Bể District, Bắc Kạn Province, Thẳm Phầy Cave in Nà Slải Village, Hoàng Trĩ Commune has recently been awakened by adventurous travellers to conquer by it pristine and mysterious beauty.
Located nearly 1,000m above sea level, Thẳm Khến cave in Nà Xa Village, Mường Đun Commune, Tủa Chùa District, Điện Biên Province contains many historical, cultural and scientific values.
Hà Giang Province is a wild and charming land, and much of the northern mountainous province is incredibly beautiful, including Xà Phìn Village, Phương Tiến Commune, Vị Xuyên District.