Van Long is a legendary land and an amazingly beautiful landscape for tourism,while at the same time,the largest mangrove nature reserve in northern delta,Ninh Binh province. Van Lang reserve is on area of 2,643 hectares in seven communes of Gia Vien district. In the Van Long forest,there are 457 species of plants,eight of which are listed in Vietnam’s Red Book. There are 39 species of animals,including nine precious species such as languor,Tibetan bear,chamois,Loris,and red-face monkey. There are nine reptiles listed in Vietnam’s Red Book such as grass-snake,varan,slow and harmless boas,and gecko.