CultureCrystal cloud04:44This browser does not support the video element.Culture05/03/2015May 3, 2015Some 800,000 crystals sparkle on a reflecting water surface. The 1,400-square-foot work of art is the new attraction at Swarovski's Crystal Worlds in Tyrol. The spectacular cloud is the work of the French-American artist duo Cao Perrot.Copy linkAdvertisement