It's easy to forget just how small we really are in this giant world.
When you're comfortable in your own shoes, it's hard to stop taking selfies and realize that there are over 7 billion people in the world, and maybe you're not so special after all.
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But visiting some spectacular sights like this massive cave network in China or the tallest building in the world will certainly bring you back to Earth and make you feel like the tiny, insignificant human that you are.
Just kidding -- you're great.
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