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)

The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.

A silk fragment with weaving design excavated from 18th mandarin's tomb (Project : Ancient Textile in Vietnam)

Experiment in Van Phuc (Ha Dong) silk workshop to reproduct the Dongsonian ramie and hemp cloth fabrics (Project : Ancient Textile in Vietnam)