Complex sentence: Other enfilades culminated in a room used as a throne room-the Palace of Westminster below comes into this category, as the monarch sits on a throne in the chamber of the House of Lords during the State Opening of Parliament.
Split into simpler sentences: Other enfilades culminated in a room used as a throne room. The Palace of Westminster, shown below, comes into this category, as the monarch sits on a throne in the chamber of the House of Lords during the State Opening of Parliament.