Did you know that colorless rainbows exist? It's called a fog bow and (like the name suggests) the phenomenon appears not in the rain, but in the fog instead. The colors are weak, because the tiny water droplets are much smaller than actual rain drops.
Not only did British photographer Melvin Nicholson see one, he managed to take a photo of it as well!. boredpanda.com
2016-11-24 17:25