View full lesson: http://ed.ted.com/lessons/who-built-great-zimbabwe-and-why-breeanna-elliott

Stretched across a tree-peppered expanse in Southern Africa lies the ruins of Great Zimbabwe, a medieval stone city of astounding wealth. Located in the present-day country of Zimbabwe, it’s the site of the second largest settlement ruins in Africa. But its history is controversial, defined by decades of dispute about who built it and why. Breeanna Elliott explores the mystery of Great Zimbabwe.

Lesson by Breeanna Elliott, animation by JodyPrody.