Earth is an incredible place. The only place we know with an atmosphere that supports and holds life, an atmosphere that is not too hot or too cold. But the level we walk on, the gound level, is only a small piece of the natural tapestry that is our planet. It starts many miles above us, in the highest reaches of our atmosphere, and ends many miles below us, in the awesome heat of out planet's core.
As you scroll down this image, you are taking a journey from the very top to the very bottom of our world.
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