12.500 years old chared fruit fragments as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)

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)

In completing the face of a Dongsonian woman, whom skeleton was excavated 2004 in Dong Xa (Hung Yen, Vietnam)

Ethnobotanic Study 2005 in a Muong hamlet (Kim Boi, Hoa Binh)

The Dongson man with war axe on his shultern as handle of a bronze dagger of 2300 years old.