A ramie cloth fragment excavated from a Dongsonian dugout log coffin in Chau Can burial field (Ha Tay, Vietnam)

The earliest evidence for the beginning of fine art in Vietnam : 18.000 years ago in the hoabinhian sediment of Xom Trai cave (Lac Son, Hoa Binh)

Bach Dang poles discovery

Experiment in Van Phuc (Ha Dong) silk workshop to reproduct the Dongsonian ramie and hemp cloth fabrics (Project : Ancient Textile in Vietnam)

During excavation 2004 in Du Sang rock-shelter ( Kim Boi, Hoa Binh)