These bicycles also provide clean drinking water. Wonderful modification of the bicycle!
Bicycle powered water pumps and filtration systems
Bicycle powered water pumps and filtration systems
(via ecoworldly.com)
Submitted by gavinhudson on Sat, 2008-06-14 05:46. | Tags: architecture | bicycle | bicycles | bike | biking | cycling | diy | mod | modification | mods | water