A beautiful sunny day today approaching almost 20°C. A spontanious decision to have an extended walk on the Philosophers Walk in Heidelberg. Kodak Retina 1A with an expired Ilford FP4. Did not realise that the roll had only 12 frames. I just continued forwarding the film and created some film salad in the camera. However - could save 10 shots to some extend. We continued our walk....without documenting the most beautiful part of it. Weather permitting - will go there this week again for a second part!