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

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

Muong megalith tomb in 17th - 18th century (Kim Boi, Hoa Binh)

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

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