10 Mind Boggling Dunes

The result of centuries or even millennia of windblown sand, sand dunes occur all over the world, from arid desert regions left over from prehistoric lakes and ocean beds to the barrier between land and sea. Sand dunes have spent the ages protecting the earth from harsh winds and rising waters, and providing unique habitats for countless species that have adapted to the rough, sandy environment. When it comes to size and structure, as with any mountain, some rise above the rest.

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