The Best Social Media Pics of the Mysterious Siberian Craters

In case you haven't heard, a trio of strange sinkholes or craters have recently been discovered in northern Russia. So far the holes have the international scientific community baffled, partly because the holes are so remote that just getting to them in order to study them poses a real challenge. But certain journalists and researchers have journeyed to the holes, and consequently there are a lot of photos of three sites now circulating online and across social media. We've gathered the five best photos we could find of the mysterious Siberian craters.