detailed map of the german north sea island of heligoland

schleswigholstein lighthouse jetty coastline scale ferry north sea beach frisia landmark dune german bight airport graphic archipelago germany background map abstract illustration vector yellow geography continent cartography design art travel detail city europe color geographical locations navigational equipment blue detailed helgoland heligoland island frisian isolated silhouette symbol icon contour harbor plateau main diagram line cartoon drawing plan presentation brand font text sketch screenshot document soil advertising pattern poster heligoland