Rome prompted me again – as a cycle tourist you become aware of entering or exiting a tourism spot.
Cities with tourist attractions have managed tourist areas. For example Krakow in Poland is a very ugly city with a couple of inner city blocks containing beautifully maintained and reconstructed historic icons.
So tourists are herded into these areas, and they are essentially kept there because there is not much to see outside these areas. Then the tourists are relieved of their spare cash by having them pay for every move they make.
Its like the tourists are cows that are herded into a holding area where they are milked by the locals.