Transpoting a dongsonian dugout log boat coffin to the Museum - case of cooperation with australien collegues from ANUniversity and ANMuseum 2004

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

Skull at Bach Dang poles excavation

Studio via modern X-ray film to controle relationship between facial sorf tissues and facial bone (Project : Facial reconstruction for prehistoric human skulls)