Ancient humans lived in Saudi Arabia's Umm Jirsan lava caves
Green Arabia Project
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The study of rock art, especially cave paintings, was once concentrated in Europe, but in recent years has expanded due to major discoveries in Indonesia and mainland Asia. One of the newest additions to the scientific record is a giant snake found in South America.
Along the Orinoco River, which straddles Colombia and Venezuela…
Source: www.newscientist.com
