footway through a crack between the rocks at the siewenschlüff on the mullerthal trail in berdorf, luxembourg

adventure backpack beautiful benelux berdorf countryside crack destination enchanted europe european explore fairy forest formation gap geology hike hiking holiday landscape little luxembourg magical mountainbiking mullerthal mystic narrow nature outside peaceful relax rock rocks romantic sandstone siewenschlalaquo ff siewenschlafrac14 structure switzerland thin trail travel trip vacation wanderlust weekend