Vietnam has issued a set of stamps featuring animals of Ba Be national park.
Ba Be National Park is a reserve in Bac Kan Province, Northeast Vietnam, set up to protect a freshwater lake (Ba Be Lake) along with surrounding limestone and lowland evergreen forests. It is located about 240 kilometers northwest of the capital city Hanoi.
In 1995, Ba Be Lake was recognized as one of the world's 20 special freshwater lakes.
In 2004, the Ba Be national park was recognized as the ASEAN Natural Heritage.