http://lan-qiu.info/2011/04/dana-keeler-desert-fantasy-and-beautiful-of-natural-wonders/

Dana Keeler Desert: Fantasy And Beautiful of Natural Wonders

The country is a land of natural contrasts, with waterfalls and volcanic hot springs. Ethiopia has some of Africa’s highest mountains as well as some of the world’s lowest points below sea level. The largest cave in Africa is located in Ethiopia at Sof Omar, and the country’s northernmost area at Dallol is one of the hottest places year-round anywhere on Earth.