“Turn thou from their sight, Risk no glance. The sight of Gorgon, if she cometh, would bring thee night from which were no returning.” – Dante, “Inferno”, Canto IX, vv. 51-57
Perseus had to look at the Gorgon Medusa’s image reflected in the mirroring shield given to him by Athena to avoid being turned into stone. This anamorphic Medusa also can be seen only from a certain viewpoint.
This challenging anamorph was created in the factory/urban lab which hosted Sub Urb Art.