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

The Dongsonian ramie cloth weaving pattern in detail

The first pebble tool with a narrow and curved polished edge. The tool is collected in the rock-shelter Du Sang (Hoa Binh, Vietnam)

The Pham Huy Thong Museum with it's laboratories in Yen Hung (Quang Ninh)

The completing facial reconstructions of the 2100 years old skulls excavated in the Dong Xa dongsonian burial field (Project : Facial Reconstruction for Prehistorical Human Skulls)