Erupting volcano blows unbelievably perfect smoke ringsCasey Chan11/14/13 8:52pm1311EditPromoteGo to permalinkThink you're cool cause you can blow o's when you smoke? Mother Nature has still got you beat. Mount Etna in Sicily, Italy took a little break from erupting to blow O-shaped smoke rings hundreds of feet in diameter to make every smoker and pot head in the world jealous. Just look at it. It's perfect!