8 ancient monuments and sites people believe are made by aliens
Ancient monuments like the Pyramids of Giza, Stonehenge, and Machu Picchu continue to mystify with their complex construction ...
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'World’s oldest pyramid' built 25,000 years ago was not made by humans, archaeologists claim
While Guinness World Records officially lists the Djoser Step pyramid in Egypt as the world’s oldest pyramid (around 2,630 BC), one paper published in October claimed a layer of the Gunung Padang ...