The Pham Huy Thong Museum with it's laboratories in Yen Hung (Quang Ninh)
The earliest amulet in fish form made from a big bird nail, which excavated in Du Sang rock-shelter (Kim Boi, Hoa Binh, Vietnam) in ca. 18.000 years ago
During excavation 2004 in Du Sang rock-shelter ( Kim Boi, Hoa Binh)
The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.
A silk fragment with weaving design excavated from 18th mandarin's tomb (Project : Ancient Textile in Vietnam)