Transpoting a dongsonian dugout log boat coffin to the Museum - case of cooperation with australien collegues from ANUniversity and ANMuseum 2004

Vegetable remains excavated in 2100 years old Dong Xa burial field of the Dong Son culture (Kim Dong, Hung Yen, Vietnam)

Hemp (Canabis) study (Project : Ancient Textile in Vietnam)

H'mong cloth embroidery design (H'mong textile study)

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