nubbsgalore: photos of cloud iridescence — caused as light diffracts through tiny ice crystals or water droplets of uniform size, usually in lenticular clouds — by rolf kohl. see also: circumhorizontal arcs, asperatus clouds, mammatus clouds, polar
tags: 18 NSFW,
from: https://www.tumblr.com/blog/view/gommur/112175216159