with apologies to MC Escher

Somebody very kindly put up a convex mirror in the old entrance hall of the Radcliffe Science Library, which now only gives access to the vending machines and a librarian's office. With its original floor tiles and arches, the setting looks very Escher-like in distorted reflection, so I couldn't resist the temptation to try an Escher-esque self portrait:



With sincere apologies to the master, whose reflections you can find on the official Escher website.