North Atlantic right whale calves are being spotted again this year, a small ray of light for one of the world's endangered large whale species.
원문출처 : https://www.cnn.com/2019/04/14/us/endangered-whale-calves/index.html
원문출처 : https://www.cnn.com/2019/04/14/us/endangered-whale-calves/index.html