old stone base of a bridge, castle behind a tree

elztalwasserfall fortification deterioration destruction springtime connection mountains formation stonewall monastery destroyed abandoned volcanic southern waterway building crossing historic volcano pyrmont terrain geology village ancient history bridge castle cliffs elztal winter spring valley ground ruined forest stones stone eifel hills slate river early behid ruins cliff plant house place base tree cold road late area burg wall rock soil ruin bridge building old deterioration connection crossing wall ruin ruined house destruction destroyed old ancient forest lost place abandoned stones history