Tam Coc - Bich Dong is considered as the most attractive tourist destination in Ninh Binh, known for its famous names such as "Halong bay on land" or "Nam Thien district".The primitive tropical forest of Cuc Phuong has been attracting visitors since 1960. Cuc Phuong is famous for its rich animal and plant life and the dozens of ancient caves that can be found within the forest. The most interesting cave is, perhaps, Nguoi Xua or the cave of Ancient man where prehistoric stone – made tools have been found. Cuc Phuong National Park boasts some 2,000 distinct species of flora, including more than 50 varieties of orchids and giant impressive trees, some of which are over 1,000 years old. There are also 262 species of animals including reptiles, monkeys, flying squirrels and even wild horses make their home in park.