The dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam) in detail.

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)

During excavation 2004 in Du Sang rock-shelter ( Kim Boi, Hoa Binh)

The Dongsonian ramie cloth weaving pattern in detail