The most famous hoabinhian cave of Xom Trai (Lac Son, Hoa Binh, Vietnam)

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

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

A Bat Trang ceramic vase with special design of flutting scholar (Ceramic collection of Pham Huy Thong Museum)

A Dongsonian ramie cloth with colored band by indigo deyed hemp fibres