Complex sentence: The Château la Muette was a castle located in Paris, France near the Porte de de la Muette on the edge of the Bois de Boulogne until the 1920s, when it was demolished to make room for a wealthy housing estate.
Split into simpler sentences: The Château la Muette was located in Paris, France near the Porte de de la Muette on the edge of the Bois de Boulogne. However, the old château was demolished in the 1920s to make room for a wealthy housing estate.