Dan Michaelson and 
The Coastguards - "Tides"

"In October 2015, the record-breaking cyclist James Bowthorpe set out to build a boat from the debris and discarded materials found on the streets of Manhattan. He then took the boat to the source of the Hudson, a tiny pond called Lake Tear Of The Clouds in the Adirondack Mountains and sailed all 315 miles of the Hudson River, through ice, snow, and grade-four white water to return the boat, made solely from New York City’s waste, to its place of origin. Set to Dan Michaelson and The Coastguards current (...) 'Tides', from 2016's critically acclaimed album Memory, this film portrays the hunt for materials in New York and the building of the boat on a side street in Manhattan. Equipped with a bag of hand tools and a bit of luck, we follow James' failures and minor victories as he builds his vessel"