High-relief representing the "Annunciation" decorating the upper part of the wall between the towers "Julius Caesar" and "Charlemagne", Château de Pierrefonds (Oise, France).
The Annunciation relief between the towers named Julius Caesar and Charlemagne at Pierrefonds. The naming alone tells you something about the ambitions of the men who built these places. Jebulon, CC0, via Wikimedia Commons

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