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It also encompasses a few small islands and marine areas of the east of Cat Ba island. Primarily a limestone forest area, it has 839 vascular plant species which include 25 species which are listed in the Red Data Book of Vietnam. It is the only park in the world where Cat Ba langur (Trachypithecus poliocephalus) species is reported. Some ...
Limestone (calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO 3. Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place ...
The natural vegetation at Hoa Lu is limestone forests and evergreen forests in valleys between limestone areas. According to the survey results of Forest Inventory and Planning Institute (FIPI) and Ninh Binh Forest Protection Department, Trang An terrestrial ecosystem has more than 600 species of plants, 200 species of animals, many of which ...
The formation of the limestone layer more than 1,000 m thick. A shallow and warm sea reformed, which existed for approximately 100 million years. It created two kinds of limestone: the Cát Bà layer of the early Carboniferous period (450 m thick); and the Quang Hanh layer of the middle Carboniferous and the early Permian period (750 m thick ...
Ba Bể National Park (Vietnamese: Vườn Quốc Gia Ba Bể) is a reserve in Bắc Kạn Province, Northeast region of Vietnam, set up to protect a very murky lake (Ba Bể Lake) along with surrounding limestone and highland nevergreen forests. It is located about 240 kilometers northwest of the capital city Hanoi.
River gateway to the ancient capital of Hoa Lư Typical limestone mountain in the area of Hoa Lư. Hoa Lư was the capital of Vietnam from 968 to 1009. It lies in Trường Yên Thượng village, Hoa Lư District, Ninh Bình Province. The area is one of ricefields broken by limestone mountains, and is approximately 90 km south of Hanoi.
Phong Nha-Kẻ Bàng (Vietnamese: Vườn quốc gia Phong Nha-Kẻ Bàng) is a national park and UNESCO World Heritage Site in the Bố Trạch and Minh Hóa districts of central Quảng Bình Province in the North Central Coast region of Vietnam, about 500 km south of Hanoi.
Marble Mountains (Vietnamese: Ngũ Hành Sơn, Chữ Hán: 五行山; lit. "five elements mountains") is a cluster of five marble and limestone hills located in Ngũ Hành Sơn District, south of Da Nang city in Vietnam. The five mountains are named after the five elements: Kim (metal), Thủy (water), Mộc (wood), Hỏa (fire) and Thổ (earth).