http://www.strandbeestmovie.com
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Theo Jansen - Flickr: Search
Self-propelling beach animals like Animaris Percipiere have a stomach . This consists of recycled plastic bottles containing air that can be pumped up to a high pressure by the wind. This is done using a variety of bicycle pump, needless to say of plastic tubing. Several of these little pumps are driven by wings up at the front of the animal that flap in the breeze. STRANDBEEST STRANDBEEST
Theo Jansen | Profile on TED.com