lake lucerneswiss confederation, switzerland map , scribble sketch lago dei quattro cantoni or vierwaldstä

abstract area blue border borderline cantoni cartography coast confederation contour country dei division drawing europe flat geography icon illustration island isolated lago lake line littoral lucerne lucerneswiss map oblast outline quattro region scratch scribble shore shoreline sign silhouette simple sketch switzerland territory topography tourism travel vector vierwaldstä vierwaldstättersee