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Scientists find a “unusual” 30-ft corridor in the Great Pyramid, sealed 4,500 years

For the first time since it was sealed around 4,500 years ago, scientists have peered into a hidden passage inside the Great ...
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Cerro Tusa in the hills of Antioquia

Cerro Tusa rises sharply from the hills of Antioquia, Colombia, forming the world’s tallest natural pyramid. Captured from above, this aerial footage reveals the mountain’s distinctive triangular ...