Eggs have been laid on land by birds, reptiles, dinosaurs and a few oddball mammals for more than 200 million years.
원문출처 : https://www.cnn.com/2022/04/17/world/eggs-easter-learn-about-the-past-climate-scn/index.html
원문출처 : https://www.cnn.com/2022/04/17/world/eggs-easter-learn-about-the-past-climate-scn/index.html