Thousands of rock art pictures depicting huge Ice Age creatures such as mastodons have been revealed by researchers in the Amazon rainforest.
원문출처 : https://www.cnn.com/style/article/amazon-rainforest-ice-age-paintings-scli-intl/index.html
원문출처 : https://www.cnn.com/style/article/amazon-rainforest-ice-age-paintings-scli-intl/index.html