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

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

Some CESEAP members and staffs are together by former State President of Vietnam Tran Duc Luong during his visit 2nd May 2008 in Hoabinhian cave of Xom Trai (Hoa Binh)

Skull at Bach Dang poles excavation

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