Lang Son is a frontier mountainous province in the North-East of Vietnam. Lang Son has potentiality of mineral, forestry, tourism and trading. Star aniseed (hoa hoi) is a specialty. The province is proud of many culture and historical vestiges. They are Rampart of Mac Dynasty, Doan Citadel Vestige, Chi Lang Defile, Ky Cung and Bac Le temples... Coming to there, tourists are interesting in Ky Lua or Long Tong traditional festivals. They would like to taste special dishes: roast duck, roast pig, Mau Son wine and lam rice.