Earth is now 4.5 billion years old. Several species have gone extinct in this long period, and several have evolved. Countries have drifted apart. Numerous civilizations have risen and fallen. Ruins in every country tell us the story of these long-lost civilizations. But, if you are wondering what these ruins looked like when they still had life and not just stories, grab your popcorn.
In the video below we will discover the archaeological sites that looked different in ancient times and how they look now!