Cavarinha

An imaginary city, I called it Cavarinha. (not a Italo Calvino place, but it fits in his world.
I started drawing with that person in the centre, standing alone under the arc. And just kept adding things and bridges and widows and stuff without a real plan. Maybe that's not completely true, as I started I immediately had the firm idea that the place should be an underground city.
I added the dark background digitally afterwards.
Here two detailed parts.