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The Phil Ochs song about the 1966 Florence, Italy floods (fifty straight days of rain breached the walls of the River Arno which runs through the city) set to BBC footage of cleaning up the aftermath, as people attempted to save some of the artwork stored in the lower levels of museums, churches and warehouses.
Thanks to YouTuber OnionFart (!) for the great job of putting this together.
Wow! More information is available here : https://en.wikipedia.org/wiki/1966_flood_of_the_Arno It was a mixed blessing that it happened on a holiday, in that a lot of people were out of town at the time but that also meant access to shops to assist the people were closed at the same time.
Thanks for the Wiki info, Brian. We just got back from a trip there and were overwhelmed by the beauty of the art and architecture.