The Dongsonian ramie cloth weaving pattern in detail
The first pebble tool with a narrow and curved polished edge. The tool is collected in the rock-shelter Du Sang (Hoa Binh, Vietnam)
A Bat Trang ceramic vase with special design of flutting scholar (Ceramic collection of Pham Huy Thong Museum)
The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.
A Dongsonian ramie cloth with colored band by indigo deyed hemp fibres