interior the roof of basilica of st. castor oldest church in koblenz german state of rhineland palatinate

altstadt architecture art basilica basilikast building castor cathedral catholic center centre christentum christian christianity church city cloud coblence coblenz deutscheseck europe european famous florentius german germany historical house interior kastor kastorkirche koblenz old outdoor religion rheinland rhine rhineland rhinelandpalatinate roof saint stcastor stone street temple tourism tower town travel view