Last night I went to the grocery shop to get some food for our cats. I bought all kinds of things – except the cat food. I noticed that once I was back home and with -18C outside I really didn’t want to go again. But I did and luckily so! For some reason I went to another shop and on my way there I saw light pillars popping up in the sky. Quickly buying the cat food I went home and grabbed my gear. The air was filled with dancing ice crystals, creating the illusion of light pillars for almost every light source. I saw them from head lights of cars and even the moon had pillars!
By the way, the cats enjoyed their food once I was back home
Here some more information on light pillars.