Studing on the dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam)

A Bat Trang ceramic vase with special design of flutting scholar (Ceramic collection of Pham Huy Thong Museum)

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

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

Rock mountain snail Cyclophorus, which is main food of the Hoabinhian cave dweller (Project : Zooarchaeology)