6 Million or 70 Million Years? The Fierce Debate Over the Grand Canyon

Grand Canyon documentary revealing how ancient rock layers and a young, fast-carving Colorado River created America's deepest geological time capsule. Nearly two billion years of Earth's history exposed in stone — and a canyon that may be far younger than most people assume. Real geology, not tourism fluff. 🏜️ Earth Secrets USA | Geology & Earth Science Documentaries 🔔 Subscribe for more hidden American landscapes #GrandCanyon #GeologyDocumentary #EarthSecretsUSA