A team of scientists in Chile say they've found a human footprint that dates back more than 15,000 years -- the oldest one ever found in the Americas.
원문출처 : https://www.cnn.com/travel/article/chile-15000-year-old-footprint-trnd/index.html
원문출처 : https://www.cnn.com/travel/article/chile-15000-year-old-footprint-trnd/index.html