Vegetable remains excavated in 2100 years old Dong Xa burial field of the Dong Son culture (Kim Dong, Hung Yen, Vietnam)
Hemp (Canabis) study (Project : Ancient Textile in Vietnam)
H'mong cloth embroidery design (H'mong textile study)
Muong megalith tomb in 17th - 18th century (Kim Boi, Hoa Binh)
The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.