Mysterious disappearance

Author: Zhang Yanping Zhao Xinmin
Publisher:
Publish Date: 2003-05-01
Features: Illustrated Color of the World's Unsolved Mysteries in the Image Era. The vast universe, with stars shifting and turning; the boundless earth, with endless changes. Everything in the world is constantly in motion and transformation. 70 million years ago, the dominant dinosaurs of the Mesozoic era roamed the Earth, but around 65 million years ago, there were no traces of their activities left. Why did they disappear from the evolutionary chain? In the dense forest, a magnificent city welcomed a brilliant dawn, yet its millions of residents vanished without a trace, leaving their fate unknown. Why did they disappear from the history of civilization?