First sketch - Black digital ink

First step - greyscale -  too dark for the client

Final step - light greyscale for buildings and mountains better detailed

Final illustration, detailed and divided in parts

Final illustration - a complete skyline

Poster final print, thanks to the pubblisher! !,30 meter of illustration which reveals the names and characteristics of the most famous peaks and describes the bell towers, churches and palaces of the Serenissima.