The Citadel, Aleppo

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 45°.
• Contains two squares.
• Contains three regular two-pointed star polygons with vertex angle of 45°.
• Contains one regular octagon.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There are two non-regular reflective tiles (including 2 kites).
• The tiling satisfies the two-colour condition.
• The tiling is not edge-to-edge.
• As drawn, contains about 529 polygons.

1. Photo from M Sakkal (The Citadel, Aleppo, Syria. Stone floor) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

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