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)

Hemp (Canabis) study (Project : Ancient Textile in Vietnam)

Bach Dang poles discovery

H'mong cloth embroidery design (H'mong textile study)