Exploring alternative energy, Richard and Jonny show how simple it is to make your own power supply - while burning off a few pounds in the process...
Licensing: (c) 2006 National Geographic Channel
Green DIY Energy-cycle illuminating pedal-power
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Exploring alternative energy, Richard and Jonny show how simple it is to make your own power supply - while burning off a few pounds in the process... Licensing: (c) 2006 National Geographic Channel
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