This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Passante ferroviario Milano pianta.svg it Percorso del passante ferroviario di Milano PassanteferroviarioMilanopianta UTC PassanteferroviarioMilanopianta Friedrichstrasse derivative work Brgerentscheid talk SVGVersion Brgerentscheid PassanteferroviarioMilanopianta Opera creata caricata dall'autore own work by uploader Friedrichstrasse