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News from Machu Picchu Peru

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Science Alert   25 September 2019   Peru   Machu Picchu  
<p>As beautiful as Machu Picchu is, it's not the easiest place to get to, high up in the Andes with steep drops to the Urubamba River on three sides. Now researchers think they might know why the site was chosen.<br />The secret may lie deep below this iconic ...