Well, we are here; a bit tired on arrival, weather is nice enough.

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But ALL city bikes. I have seen three 531 frames out of probably thousands of bikes, maybe ten bikes in total with drop bars.

There sure are a lot of different kinds of city bikes, some three-wheelers with huge carts in front, about half the rest have racks and/or/seats/and/or panniers.
Everything is extremely heavy-duty - drum brakes, chaincases, frame-tubing the size of drainpipes, mudguards.
Oh, and two tourists wearing helmets; nobody else is that silly.