Millions of years ago, there were seas and oceans where deserts are today. What if it all comes back? Water instead of sand, where deserts used to be. Life on the planet would change completely. Sand can act like a liquid if a strong enough airflow makes it rise from below. The air reduces friction between sand particles, making more space. The particles begin to move freely as if they are in a liquid. If a huge vent suddenly opened under the Earth’s crust, blowing air from beneath, then perhaps the entire landscape would begin to sink like being in quicksand. Such monuments as the Egyptian pyramids or the Sphinx would sink under the ground. Huge cities built on sand would disappear. The Sahara Desert would resemble one bubbling cauldron. Camel caravans would simply fall down. But don't worry, the animals wouldn’t get hurt. Liquid sand is filled with oxygen, so they’d be able to swim in it. But what would happen if all of the sand turned into the water instead of just a liquid version of itself? This is a hypothetical question but let's try to answer it. #brightside Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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