Experiment in Van Phuc (Ha Dong) silk workshop to reproduct the Dongsonian ramie and hemp cloth fabrics (Project : Ancient Textile in Vietnam)
The Pham Huy Thong Museum with it's laboratories in Yen Hung (Quang Ninh)
Muong megalith tomb in 17th - 18th century (Kim Boi, Hoa Binh)
In completing the face of a Dongsonian woman, whom skeleton was excavated 2004 in Dong Xa (Hung Yen, Vietnam)
The Dongson man with war axe on his shultern as handle of a bronze dagger of 2300 years old.