cardiff castle clock tower cardiff animalwall west malling tower 1090 hedingham castle hedingham castle hedingham castle hedingham castle 1140 hedingham gallery hedingham great hall sherborne castle sherborne barbican sherborne barbican sherborne castle sherborne castle sherborne castle chapel hedingham castle 1140 orford keep c12 cardiff castle towers cardiff clock tower cardiff east front cardiff octagon tower cardiff roofscape cardiff south front castell coch 1875 castell coch 1875-79 castell coch balcony castell coch bedroom castell coch bedroom fire castell coch courtyard 1875-9 castell coch hall castell coch hall fireplace castell coch walls castell coch wallwalk porchester castle 1120-70 eastnor castle 1812 eastnor castle 1812 eastnor castle 1812 dover castle northern casemates 1790 dover western heights 1790