These are from a book by photographer, Hans Silvester: Natural Fashion, Tribal Decoration from Africa. Published by Thames & Hudson. They are from the Surma and Musi tribes of the Omo Valley in East Africa.
China’s 'Miao' ethnic minority artisans, a term used to classify 9 million non-Han Chinese living in various agrarian tribes across the southwest. Miao culture and textiles are quite diverse across villages in Yunnan and Guizhou provinces.