Rare mirage (Fata Morgana) of the sea surface on September 25, 2016

See the “wall“ over the horizon, where there should be nothing, but water? It is a mirage (Fata Morgana) of the sea surface. Mirages of the sea surface are rare. They were known to Vikings who called them “hafgerdingar“. “Now there is still another marvel in the seas of Greenland, the facts of which I do not know precisely. It is called ‘sea hedges’ [hafgerdingar], and it has the appearance as if all the waves and tempests of the ocean have been collected