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)

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

Vegetable remains excavated in 2100 years old Dong Xa burial field of the Dong Son culture (Kim Dong, Hung Yen, Vietnam)

Bach Dang poles discovery