In completing the face of a Dongsonian woman, whom skeleton was excavated 2004 in Dong Xa (Hung Yen, Vietnam)

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

12.500 years old chared fruit fragments as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)

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

Studing in a bronze casting workshop in Lang Rong (Van Lam, Hung Yen)