The last woolly mammoths roamed the Earth as recently as 4,000 years ago, on a remote island in the Arctic Ocean.
원문출처 : https://www.cnn.com/2019/10/08/us/woolly-mammoths-death-scn-trnd/index.html
원문출처 : https://www.cnn.com/2019/10/08/us/woolly-mammoths-death-scn-trnd/index.html