Ethnobotanic Study 2005 in a Muong hamlet (Kim Boi, Hoa Binh)
Skull at Bach Dang poles excavation
The most famous hoabinhian cave of Xom Trai (Lac Son, Hoa Binh, Vietnam)
Experiment in Hoa Binh CESEAP-station to resaerch the flying distand of bronze arrow-head excavated in the Ancient Co Loa Citadel (Hanoi)
The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.