Disputed collection holds keys to Machu Picchu's secrets

(AP) -- Even after decades of study, Yale University's collection of relics from Machu Picchu continues to reveal new details about life in the Incan city in the clouds.

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<p><a href="http://www.physorg.com/news69690796.html">Disputed collection holds keys to Machu Picchu's secrets</a></p> <p>(AP) -- Even after decades of study, Yale University's collection of relics from Machu Picchu continues to reveal new details about life in the Incan city in the clouds.</p>