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

The most famous hoabinhian cave of Xom Trai (Lac Son, Hoa Binh, Vietnam)

Studio via modern X-ray film to controle relationship between facial sorf tissues and facial bone (Project : Facial reconstruction for prehistoric human skulls)

The dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam) in detail.

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