7 types of rare and amazing clouds (w/ pics and videos)

Clouds have inspired poets since immemorial times and they’ve even puzzled scientists, it almost seems like there’s something out of this world about them. Well, just wait until you see these amazing clouds. Mammatus clouds These pouch-like clouds seem to be the harbringers of thunderstorms and tornadoes and (in many cases) that’s exactly what they are. They [...]