Four strange places to see London's Roman Wall

Note this is about the City of London, an entity much smaller and older than the modern city known as London. It's land area is about 3 km^2.

https://en.wikipedia.org/wiki/City_of_London

Title should probably read "the City of London" rather than "London".

I had a hard time remembering that distinction when I first read about the "City of London".

Here is the US, the "city of Chicago" is the same as "Chicago".