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Though its authenticity can't be confirmed, Reddit user barjam uploaded this astonishing image, purportedly from the Tornado-ravaged destruction zone in Joplin, Missouri. As with everything submitted to the user-driven messageboard site, a heated debate ensued over the legitimacy of the photo and the physics at play during a tornado. Here's the full image followed by some of the debate:

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Update: Was the curb re-enforced by a PVC pipe? A reader points to this image.

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