One of the Single Weirdest "Lights in the Sky" Events Ever: City Map Drawn in the Sky

Look at that picture! Seriously, this is one of the single most amazing optical phenomena I have ever seen, and I've seen a lot of weird stuff. It was taken on Jan. 13, 2015 by Mia Heikkilä in Eura, Finland, and I'll admit it took me a moment to figure out what it was. When I did, literally, my jaw dropped. So. What the heck is that thing? It's a light pillar. Or, more accurately, a lot of light pillars, and it's probably the most striking example of them ever. This is terribly cool, so bear wi...