![](http://www.alamy.com/thumbs/6/02CF1D5C-C7AC-42F3-903D-F106824C139F/JDWPJ5.jpg)
Mammatus Cloud formation in a dramatic dark blue sky
Size: 7360px × 4912px
Location: Italy
Photo credit: © Maurizio MIlanesio / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: abstract, backdrop, background, beautiful, beauty, black, blue, bright, climate, cloud, clouds, cloudy, color, cumulus, dark, day, design, dramatic, environment, fluffy, ground, heaven, high, landscape, light, mammatocumulus, mammatus, natural, nature, night, ominous, outdoor, pattern, phenomenon, pouches, season, shiny, sky, space, storm, summer, thunderstorm, wallpaper, weather, white