Located on a pine hill at No.2 Yet Kieu st, Dalat city the palace is now the National Preservation Center 4. It is the palace which stores the history treasure 34,555 pieces of wood-made documents of Nguyen Dynasty. Recently, it has been recognized as the World document heritage and it is in the program: Memory of the World. The palace was built 1958 and it has an area 13,000m2, including three villas with the romantic names; Bach Ngoc, Lam Ngoc, Hong Ngoc. This was designed by Japanese architect and it has a Japanese-style garden with plenty of beautiful flowers. After the renovation and restoration in 2008, the palace became the interesting destination for tourists who want to learn more about the culture and history. Beside its palace, Visitors can also see directly the pieces of Wood-made documents of Nguyen dynasty and other documents such as Documents about Vietnam since 1962, documents about the Centrals and Highlands of Vietnam in the war (1954-1975), book; Dalat – Lam Dong past and present.