What shape is the central tower of the Palace of Westminster and also the Central Lobby which is situated beneath it?
Octagons Tetrambus Octangle Regular octagon Octagonal OCTAGON Regular Octogon Ovtagon 8-gon OCTAGONAL Octagon Octogon Rectagon
regular octagon tetrambus 8 gon rectagon octangle ovtagon octagonal octagon octogon regular octogon octagons
octagonal
WikipediaEntity
OCTAGONAL