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

Ethnobotanic Study 2005 in a Muong hamlet (Kim Boi, Hoa Binh)

A complet 10.000 years old hoabinhian human skeleton excavated 2004 in Rock-shelter of Du Sang (Hoa Binh, Vietnam)

A ramie cloth fragment excavated from a Dongsonian dugout log coffin in Chau Can burial field (Ha Tay, Vietnam)

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