The ruined city known as the “cradle of gold” was once a mountaintop refuge of Incan royalty, with elegant halls…
Read MoreThe ruined city known as the “cradle of gold” was once a mountaintop refuge of Incan royalty, with elegant halls…
Read MoreEarth’s global thaw has reached Mount Everest, the world’s tallest peak, researchers said Tuesday at the Meeting of the Americas…
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