The VIOLENT & EXTREME Birth of Planet Earth *2 Hour Marathon* | How the Earth Was Made | History

Transcript

Earth a unique planet restless and dynamic continents shift and Clash volcanoes erupt glaciers grow and receive Titanic forces that are constantly at work leaving a trail of geological Mysteries behind one of these Mysteries is centered here in the Grand Canyon in Arizona close to a billion tons of rock have been carved out of the ground the canyon... Read More