The earliest amulet in fish form made from a big bird nail, which excavated in Du Sang rock-shelter (Kim Boi, Hoa Binh, Vietnam) in ca. 18.000 years ago

The earliest evidence for the beginning of fine art in Vietnam : 18.000 years ago in the hoabinhian sediment of Xom Trai cave (Lac Son, Hoa Binh)

A complet 10.000 years old hoabinhian human skeleton excavated 2004 in Rock-shelter of Du Sang (Hoa Binh, Vietnam)

Muong' weaving decoration with phoenix and dragon designs (Muong Textile Study)

Studing on the dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam)