Someone must've heard the world crying for a new phenomenon, because recently the internet has been set ablaze with fascination for the Harlem Shake. Videos of college campuses -- and now firemen -- performing their versions of the dance have ripped through our search engines and YouTube streams. Among them all, this one might be our favorite.

Watching teens and twenty-somethings dance is nothing out of the norm, but the elderly? Now we're talking! That's why this YouTube video of two grandmothers doing their version of the Harlem Shake has us both in hysterics and awe -- mainly at the fact that they can still groove.

If only there were more dancing granny's in the world, perhaps we'd all get along -- or just laugh more.

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