Ethnobotanic Study 2005 in a Muong hamlet (Kim Boi, Hoa Binh)

A ramie cloth fragment excavated from a Dongsonian dugout log coffin in Chau Can burial field (Ha Tay, Vietnam)

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

Skull at Bach Dang poles excavation

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