Passage: The dominant feature of the building is the central dome which consists of an interior glass dome and a copper-sheathed exterior, topped by a domed cupola. Smaller domes of various sizes are on the rooftop, including ones on each upper corner of the rectangular building. Stained-glass windows, including a cartwheel window depicting the arms of the City of Sydney, allow light into the central area, and the roof itself incorporates arched skylights running lengthways north and south from the central dome. The colonnades, arches, balustrades and cupolas are of typically intricate Victorian style.

Question: What era do the arches look like they are from?
Victorian