Went tubing through the Lihue Plantation Ditch and Tunnel system which were hand dug in the 1870’s. #tubular #lihue #lihueplantation #tube #tubing #tunnel #water #kauai #hawaii #adventure #backcountry #lifeofaretiredairtrafficcontroller #retirement #retirementlife #nofilter #vacation #whatsaweekend

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