Image credit: Live Science

I was walking through the pedestrian-only shopping center of Lausanne the other day. It was cool but sunny and I had my patrol pack slung over my left shoulder. Inside were my gym things, sweaty from the two-hour workout I’d just completed. A loaf of freshly-baked bread was in the outside compartment, a yeasty promise of lunch soon to be enjoyed.

Directly ahead of me a small child around four years of age was having a massive…