https://c8.alamy.com/comp/2JYHFRD/thailand-china-hand-carved-wooden-daoist-ritual-chops-or-stamps-used-by-yao-shaman-the-yao-nationality-its-majority-branch-is-known-as-mien-is-a-government-classification-for-various-minorities-in-china-they-form-one-of-the-55-ethnic-minority-groups-officially-recognized-by-the-peoples-republic-of-china-where-they-reside-in-the-mountainous-terrain-of-the-southwest-and-south-they-also-form-one-of-the-54-ethnic-groups-officially-recognized-by-vietnam-in-the-last-census-they-numbered-2637421-in-china-and-roughly-470000-in-vietnam-in-thailand-they-number-40000-and-in-laos-20000-2JYHFRD.jpg