In the heart of Southern Africa lies a complex of ruins, constructed from stone without the use of mortar. This site is known as Great Zimbabwe, a medieval city which grew rich and prosperous. The existence of such a site directly contradicted the view of European imperialists that sub-Saharan Africans had never developed a civilization on their own. So the idea that natives had built these structures had to die. Come listen about the many ways that Europeans twisted themselves into knots to hide the truth!