Tag Archives: Orinoco River
Huge rock engravings could be ancient borders, study suggests
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. Ancient rock engravings in what is now South America, believed to be among the largest in the world, were intended to mark the boundaries of regions inhabited by their makers, according to a new study.… Read More »
Huge rock engravings could be ancient borders, study suggests
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. Ancient rock engravings in what is now South America, believed to be among the largest in the world, were intended to mark the boundaries of regions inhabited by their makers, according to a new study.… Read More »