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

Muong megalith tomb in 17th - 18th century (Kim Boi, Hoa Binh)

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)

Bach Dang poles discovery