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