As the largest family on earth, dinosaurs once ruled the world for 175 million years, but 65 million years ago, this super powerful overlord suddenly disappeared. If it weren't for the dinosaur fossils hidden in nature, we might still not know that there was such a long and mysterious age of dinosaurs on the earth. Early people's speculations and conjectures about dinosaurs were constantly overturned by newly unearthed fossils, and many understandings had to be corrected. As more and more dinosaur fossils have been discovered in recent years, people's understanding of the dinosaur world has become more accurate and comprehensive than in the past. The reading of this book is vivid, smooth and easy to understand. While acquiring knowledge, teenagers can feel immersed in the scene and enjoy the beauty!
