wooden sign transition blocked german "uebergang gesperrt"

trail tree wilderness grass plant sign landscape headstone hill autumn soil wooden transition blocked german gesperrt environment protection coasts north sea coast tourism travel symbol message abstract footpath sand island safety danger sign grass environment sylt north sea sea list nature schleswig-holstein sky wooden concept tourists tour holiday vacation dunes way friesland path notice pass transition blocked barrier turn coast schleswig holstein nobody dune symbolic symbol photo symbol picture landscape shore german seaside list sylt