The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.
Experiment in Van Phuc (Ha Dong) silk workshop to reproduct the Dongsonian ramie and hemp cloth fabrics (Project : Ancient Textile in Vietnam)
A silk fragment with weaving design excavated from 18th mandarin's tomb (Project : Ancient Textile in Vietnam)
The Dongson man with war axe on his shultern as handle of a bronze dagger of 2300 years old.
10.500 years old chared fruit stone fragments of Canarium fruit as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)