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In page Pau, Pyrénées-Atlantiques:

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Napoleon expressed his interest and helped to save the château, which became a prison for a time.[citation needed] In 1838, Louis-Philippe did boldly restore it, to highlight the medieval and Renaissance character. Napoleon III added a double tower framing a false entry, to the West. He also added streets of Belle Époque architecture, before the fashion transferred to Biarritz.[citation needed]