the martinstor in freiburg, germany

ancient architecturalstyles architecture baden badenwurttemberg breisgau building buildingexterior buildings city cityscape clearsky clock clocktower europe facade famous forest fortification freiburg freiburgimbreisgau gate german germany gothic historic homeinterior humansettlement landmark martins martinstor medieval old roof sky skyline spiked street summer sunlight sunny tourism tower town travel urban urbanscene wall windows