Hill tribe in northern Thailand | Wooden water pipeline | Slide
Hill tribe in northern Thailand | Hans Manndorff and a soldier | Slide
Hill tribe in northern Thailand | Drying crop product in sunlight | Slide
Hill tribe in northern Thailand | Poppy and cabbage in opium field, and bamboo water pipeline | Slide
Hill tribe in northern Thailand | Bamboo water pipeline: filling water into a bamboo container | Slide
Hill tribe in northern Thailand | Khun Prasit Diswat and a soldier | Slide
Hill tribe in northern Thailand | Research team and carriage horses are taking a break | Slide
Hill tribe in northern Thailand | Women washing their clothing at the water place | Slide
Hill tribe in northern Thailand | Hans Manndorff posing with rifle and pipe | Slide
Hill tribe in northern Thailand | Research team outside of a Lahu village | Slide
