The Turquoise water of this lake in Mývatn, Iceland is due to the high content of silica in the water. The steam rising in the distance is from a natural geo-thermal vent.

skylandscapelakeseawaternaturetravelislandblueoceanrockvacationtourismrockssummerbeautifulsightmountainhotseashorehillsoutdoorssteamturquoiseicelandscenicsilicageothermalnopersonMývatn