Sahara and her … Secret Circle
Could it be the eye of a hurricane, the Jupiter’s Great Red Spot turned blue or an ammonite? There are acceptable guesses. But, what is that? 50 km in diameter, also referred to as the „Eye of Africa”, located just a little off the beaten path in Northern Mauritania, not far from the route of the endangered Dakar Rally. A mystery that has intrigued scientists, geologists and astronomists since its visual discovery by orbiting astronauts during the dawn of space travel: The Richat Structure.