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Satellites spot clusters of 'spiders' sprawled across Mars' Inca City (photo)
Eerie 'Spiders' Scattered Through Inca City on Mars Seen in Incredible Images
Mars Express Spots ‘Spiders’ at Outskirts of Martian ‘Inca City’
Huayna Picchu is Original Name of Inca City Now Known as Machu Picchu
