At first glance, this appears to be a freshly inked tattoo in the shape of lightning, but upon closer inspection, you’ll realize that it’s a permanent scar. Called Lichtenberg figures, these are basically “thought to be caused by the rupture of capillaries under the skin due to the passage of the lightning current or the shock wave from the lightning discharge as it flashes over the skin,” according to Wikipedia. Click here to view the first image in today’s viral picture gallery. Continue reading to see a video on why you shouldn’t fight drowsiness.