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)
Hmong twisting hemp fibres (Hmong textile study)
The Dongson man with war axe on his shultern as handle of a bronze dagger of 2300 years old.
The most famous hoabinhian cave of Xom Trai (Lac Son, Hoa Binh, Vietnam)