Legends of Giants

This audiobook has been recorded using Text to speech (TTS).They fell from heaven. They had special knowledge. They were wise and yet terrifying. They spread across the globe in ancient times and can be found in every culture. They are different to humans. They live thousands of years and had knowledge of the stars. They built grand stone monuments on every continent and they are even spoken of in the Bible.Who are these giants? Where did they come from? When did they leave?Are they folk memories of great leaders? Could they be real legends of actual giants? Or are they aliens descended to Earth in ancient times?