Bach Dang poles discovery

PEG-treating in conservating a dongsonian dugout log coffin of 2300 years old

The Dongson man with war axe on his shultern as handle of a bronze dagger of 2300 years old.

Muong' weaving decoration with phoenix and dragon designs (Muong Textile Study)

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