door eye knock locked Look peep shut steel wood boarded boards building derelict nailed shut sealed window window black closed key keys lock open people save shadow shape silhouette white countryside dogs entry footpath gate lead leash no notice opening shut entrance sign vehicles ancient Copenhagen danish Denmark historical home house Kobenhavn merchant old wall close decay padlock safe secure texture unlock weathered worn architecture barrier doors double elements madrid security Spain spanish studded wooden blue command garden instruction lettering oval paint painted plank planks plaque please carved pediment stone threshold