EPA's Eye in The Sky, News, Photo Story, SwitzerlandEPA’s Eye in the Sky: Sils, Switzerland 16th February 202016th February 20204981 Min Read People enjoy themselves on the Silsersee (lake Sils), covered with so-called “black ice”, in Sils, Switzerland. Black ice, sometimes called clear ice, is a thin coating of glazed ice on a surface. Photo: EPA-EFE/GIAN EHRENZELLER silsSwitzerland Share FacebookTwitterLinkedInPinterestStumbleuponEmail