The completing facial reconstructions of the 2100 years old skulls excavated in the Dong Xa dongsonian burial field (Project : Facial Reconstruction for Prehistorical Human Skulls)

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

The first pebble tool with a narrow and curved polished edge. The tool is collected in the rock-shelter Du Sang (Hoa Binh, Vietnam)

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

During excavation 2004 in Du Sang rock-shelter ( Kim Boi, Hoa Binh)