The question is that in towns built 10 centuries ago this phenomenon is even more tragic, mainly if cars are allowed to circulate within the centre perimeter.

In cities such as what I've mentioned, (free) space is really a crucial aspect.

If you multiply twelve square meters, which is the surface for a typical car parking space, by the number of cars that enter in the city daily, you get around 20% of the city surface... incredible... and this putting cars side by side, front by rear, with no accesses