Today was a little more relaxed. On our to-do list was tracking down a very specific, limited-edition Japanese guitar strap — which conveniently required a few trains to another part of Tokyo. A perfect excuse to explore yet another corner of the city. While we were out, we took the opportunity to visit a miniature model world. The airport display was particularly impressive, with planes landing, taxiing, and taking off again in an endless, perfectly choreographed loop. Then