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)

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

Hmong girls in ceremonial costums in Sa Pa (Lao Cai, Viet Nam)(Hmong Textile Study)

The detail of 4th picture : A Dongsonian ramie cloth with colored band by indigo deyed hemp fibres

The Dongson man with war axe on his shultern as handle of a bronze dagger of 2300 years old.