A lot more lasting and of extra economic impact were being canals similar to the Naviglio Grande created in between 1127 and 1257 to attach Milan With all the river Ticino. The Naviglio Grande is The key on the lombard "navigli"[21] and also the oldest operating canal in Europe. https://musica-infantil23321.designertoblog.com/68262399/not-known-factual-statements-about-musica-infantil