"mi persi nel buio e di buio mi ubriacai, lontana dal sole, lontana dalla vita" (approx. I got lost in the dark and intoxicated myself with darkness, far from the sun, far from life)
not by any known author, as per Google, but that piece of street art is documented on Instagram.
Interesting picture - the "ruins" seem to be recycled buildings though, with recent window frames.
My favorite is the freestyling umbrella...