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

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)

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

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)

The dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam) in detail.