THE RUINS OF ANCIENT CIVILIZATION ARE MANY THOUSANDS OF YEARS OLDER THAN ARCHEOLOGISTS THINKRead this book to learn about all of these ancient and some little known ruins on this Earth.There are many civilizations which existed in pre-history and most of them are now lost to our knowledge and ken. Many of them were lost when the Oceans rose during the melting from the last Ice Age. Some were just buried and have recently come to light.This book also includes portions of my book The Real Atlantis In the Eye of the Sahara for some fascinating research on the real location of Atlantis.In this book we examine many of these lesser known civilizations and cities and look at incredible extensions of how far back in history civilization actually goes.Also, Giants were one of the races of early history. What did Giants have to do with these early civilizations There are also some interesting gaps in the histories of civilizations to examine.Questions and Answers What are the oldest human ruins