a bunker (shelter) from world war 2 in the woods of the waterleidingduinen

tree woodland forest autumn leaf nature green rock plant garden wilderness wood trail soil grass flower sunlight jungle bunker shelter world war woods waterleidingduinen heemstede zandvoort vogelenzang aerdenhout noord-holland netherlands aerdenhout autumn background beautiful beauty bunker bunkers cool dunes environment fall forest freedom green heemstede house landscape leaf leaves monumental monuments natural nature old outdoor outdoors outside park plant scenery scenic season shelter summer travel tree trees vogelenzang walk woods war waterleidingduinen wood ii