LSE4101257 Basilique Saint-Sauveur (Saint Sauveur) in Rennes: built from the 12th century, it remains unfinished. It houses the tomb containing the heart of the Constable du Guesclin (Bertrand Duguesclin). Many styles are mixed: Romanesque, Gothic, Classical and Baroque. by French School; Saint-Sauveur, Rennes, France; (add.info.: Basilique Saint-Sauveur (Saint Sauveur) in Rennes: built from the 12th century, it remains unfinished. It houses the tomb containing the heart of the connetable du Guesclin (Bertrand Duguesclin). Many styles are mixed: Romanesque, Gothic, Classical and Baroque.); Photo ?? Leonard de Selva.