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

Bach Dang poles discovery

A Muong woman in weaving (Lac Son, Hoa Binh) (Muong Textile Study)

PEG-treating in conservating a dongsonian dugout log coffin of 2300 years old