Hundreds of dinosaur footprints, so well-preserved that even the scaly skin can be seen, have been found in Poland, giving an insight into a complex ecosystem around 200 million years ago, geologists said.
원문출처 : https://www.cnn.com/2021/12/16/europe/dinosaur-tracks-poland-scli-intl-scn/index.html
원문출처 : https://www.cnn.com/2021/12/16/europe/dinosaur-tracks-poland-scli-intl-scn/index.html