
"The seventh wonder of the world, Machu Picchu 'Old Peak' sits 7,000 feet above sea level," writes the team at Expedition Earth. Learn more about Expedition Earth's ambitious goal to cross six continents and 70 countries in just over two years: https://on.natgeo.com/2OKrU0r pic.twitter.com/2cIiEeJOvh
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