Prehistoric Desert Town Found in Western Sahara Thu Aug 19, 2004 01:52 PM ET RABAT (Reuters) - The remains of a prehistoric town believed to date back 15,000 years and belong to an ancient Berber civilization have been discovered in Western Sahara, Moroccan state media said on Thursday. A team of Moroccan scientists stumbled across the sand-covered ruins of the town Arghilas deep in the desert of the Morocco-administered territory. The remains of a place of worship, houses and a necropolis, as well as columns and rock engravings depicting animals, were found at the site near the town of Aousserd...