Jewish cities with a (relatively) not religious and wealthy population, Muslim Arab and mixed cities, and finally orthodox Jewish cities (which Tiberias, as many other northern cities, is rapidly becoming). Correlation with wealth and religion is pretty obvious.
>Correlation with wealth and religion is pretty obvious.
This seems odd, in the US, the more wealth (and I would say possibly some religions) the more likely there are either volunteer projects or budgets for cleaning up public areas.