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

A complet 10.000 years old hoabinhian human skeleton excavated 2004 in Rock-shelter of Du Sang (Hoa Binh, Vietnam)

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

Ethnobotanic Study 2005 in a Muong hamlet (Kim Boi, Hoa Binh)