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Castello d'Ussel camini sovrapposti ruderi fig foto nigra.tif Castello d'Ussel camini sovrapposti ruderi Carlo Nigra Torri castelli case forti del Piemonte dal al secolo XVI La Valle d'Aosta Musumeci figura before Carlo Nigra PDold PDold Castello di Ussel Photos by Carlo Nigra Torri castelli case forti del Piemonte dal al secolo