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

Studing in a bronze casting workshop in Lang Rong (Van Lam, Hung Yen)

The Dongsonian ramie cloth weaving pattern in detail

Experiment in Hoa Binh CESEAP-station to resaerch the flying distand of bronze arrow-head excavated in the Ancient Co Loa Citadel (Hanoi)

A Muong woman in weaving (Lac Son, Hoa Binh) (Muong Textile Study)