Even better is that most of the walls and city have been restored. In fact, several of the orange-tipped conical towers have found new life as a cafe, museum, or art gallery. Otherwise ...

The most readily identifiable feature of a Queen Anne, however, is its broad, round tower with a conical roof, usually found on just one of a home’s corners, making the façade asymmetrical.

Chinese studio Open Architecture has completed the 50-metre-tall Sun Tower, which has a conical concrete form designed to follow the path of the sun, in Yantai, northeast China.