Three young enslaved women in Africa, chained together at the neck, escorted along a road by two slave traders with guns.… https://www.rawpixel.com/image/13969754/image-palm-tree-plant-personFree Image from public domain licenseFour slaves in East Africa chained at the neck carrying brushwood fuel; other slaves chained at the neck working in rice… https://www.rawpixel.com/image/13976000/image-plant-person-treeFree Image from public domain license