Hill tribe in northern Thailand | Opium plant | Slide
Hill tribe in northern Thailand | Lahu man cultivating opium | Slide
Hill tribe in northern Thailand | collecting the sap of the tapped poppy (raw opium) | Slide
Hill tribe in northern Thailand | Huey Luang, Tak province. Hmong man collecting the sap of the tapped poppy (raw opium) | Slide
Hill tribe in northern Thailand | Lahu. Cutting the opium capsula | Slide
Hill tribe in northern Thailand | Traders on a jungle trail who come to buy the opium; mostly Haw Chinese, but also Shan and others | Slide
Hill tribe in northern Thailand | Traders are transporting silver, sugar, salt, weapons and other goods on horse-backs and exchange their commodities with opium | Slide
Hill tribe in northern Thailand | Hans Manndorff and tribal villagers | Slide
Hill tribe in northern Thailand | Red Lahu. Opium smoking | Slide
Hill tribe in northern Thailand | Opium smoker; Normally the hilltribes were opium producers but not opium smokers | Slide