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Do You love the color of the Sky? Coolest pin ever

These mammatus clouds formed on June 26th 2012 above Regina, Canada shortly after a thunderstorm.

Chile Puerto Natales spectacular lenticular cloud at sunset by Dave Curtis, via Flickr

As a kid, I spent countless hours trying to imagine how would it feel to walk on them...

playing guessing game with clouds.

Fire rainbow cloud: The rare phenomenon appeared behind a storm cloud near Delray Beach, Florida