SkyCloud Impressive mammatus clouds engulf the sky over Rome, Italy By Strange Sounds - Sep 17, 2016 0 963 Facebook Twitter Pinterest Linkedin ReddIt WhatsApp Some impressive mammatus clouds formed in the sunset sky of Rome, Italy on September 17, 2016. Here some of the best pictures of this always so spectacular atmospheric phenomenon. via VK via VK via VK via VK via VK via VK via VK via VK And here a video: Follow us on Facebook and Twitter