Uwe Hermann | A slightly paranoid Debian developer

A real-life Quake level?

This is an image taken in the Ludwig Maximilians University of Munich (LMU), but reminds me a bit of the strange images of M. C. Escher.

A mosaic at the entrance of the Ludwig Maximilians University of Munich (LMU).

This is my entry for this week's Photo Friday challenge: "Retro".