It’s hot out. Which got me thinking about tubing down the Delaware River to keep cool. That led me to some images I made of people doing just that.
![Tubing On The Delaware River A staff member moves inner tubes back into a pile at Bucks County River Country along the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)](http://www.photoshelter.com/img-get/I0000DL11v04KSXE/s/600/375/rivercountrya-cropa.jpg)
A staff member moves inner tubes back into a pile at Bucks County River Country along the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)
![Tubing On The Delaware River A man chooses an inner tube at Bucks County River Country along the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)](http://www.photoshelter.com/img-get/I0000ALKHeqEnuFw/s/600/385/tubing101acrop.jpg)
A man chooses an inner tube at Bucks County River Country along the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)
![Tubing On The Delaware River People await a bus to drive them to the drop off site at Bucks County River Country along the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)](http://www.photoshelter.com/img-get/I0000jGM2Ch4R9vc/s/600/331/tubing102acrop.jpg)
People await a bus to drive them to the drop off site at Bucks County River Country along the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)
![Tubing On The Delaware River A boy tubing down the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)](http://www.photoshelter.com/img-get/I00008NKE2ZAnKyI/s/600/405/rivercountry3acrop.jpg)
A boy tubing down the Delaware River in Tinicum, Pennsylvania. (Photo by William Thomas Cain/Cain Images) (William Thomas Cain)