A riveting mystery is unfolding in Western Sahara, as scientists discover a massive ancient underground river system with the aid of satellite imaging. It confirms that only about 5,000 years ago, the Sahara was an immensely vibrant place.
The African region containing the Mauritanian Desert is roughly the size of the United States – or a quarter of Africa; so if such conditions persisted today, the river system would be the world's 12th-largest, French-led research indicates in the journal Nature Communications.
Read the very interesting article HERE
INC News, 11/11/2015 - via RT
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