Genova (Genoa, Italy) is an old Mediterranean port city, famous as the home of Christopher Columbus .
(Facebook viewers will need to click on this post to see the full photo as FB has tends to crop vertical images to the horizontal with little consideration for content).
The old city is a maze of dark narrow alleys where the sun rarely shines.
Venice has these also, including at least one that’s so narrow only one person at a time can fit in it! Single line working applies.