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

Skull at Bach Dang poles excavation

Experiment in Van Phuc (Ha Dong) silk workshop to reproduct the Dongsonian ramie and hemp cloth fabrics (Project : Ancient Textile in Vietnam)

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

Bach Dang poles discovery