Google Translation: The Naviglio Grande is the oldest existing canal in Milan. The channel gets its water from Ticino. It was built from 1177 to 1257 and is about 50 miles long . Originally it was used as a transport route to Lake Maggiore and the import and export to Switzerland . On him the heavy marble blocks were transported to the construction of the Cathedral of Milan zoom . But coal was transported by barge which was punted through the channel . In the times in which the transport by road was slow and cumbersome , meant channel connections such great economic benefits.
