Lisa Kristine: Photos that bear witness to modern slavery

For the past two years, photographer Lisa Kristine has traveled the world, documenting the unbearably harsh realities of modern-day slavery. She shares hauntingly beautiful images -- miners in the Congo, brick layers in Nepal -- illuminating the plight of the 27 million souls enslaved worldwide. (Filmed at TEDxMaui) TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes. Featured s