Of the mysteries of the earth

Of the mysteries of the earth Ein Africa or hole quills of the most prominent landmarks geological in Mauritania but also in Africa and the world and called some named Ein desert which is about a hole exists northern desert Mauritania near the city condemned the archaeological diameter approximately 35 km was first discovered by non-locals French researcher Theodore Mono in the thirties of the last century and since then of geological, following missions to the region and there is a scientific debate about what it is Some scientists say that a hole caused by a meteorite hit the area and some say extinct volcano Old