A Tyrannosaurus rex skull was discovered in Montana and was sent to the Burke Museum in Seattle. There are only 15 known T. rex skulls in the world.
원문출처 : http://www.cnn.com/videos/us/2016/08/21/tyrannosaurus-rex-skull-found-orig-vstan-jnd.cnn
원문출처 : http://www.cnn.com/videos/us/2016/08/21/tyrannosaurus-rex-skull-found-orig-vstan-jnd.cnn