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

12.500 years old chared fruit fragments as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)

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

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

The Dongsonian ramie cloth weaving pattern in detail