Bike-Powered Christmas Tree In Barcelona | Gadget Lab from Wired.com

Bike-Powered Christmas Tree In Barcelona | Gadget Lab from Wired.com: "The scheme is also something of a publicity stunt for Bicing, the cheap point-to-point bike service we covered early last year. The public service provides the bikes that are used in the setup, thankfully anchored so that the usual wobbly oldsters and young yahooos who plague the service are kept out of danger (the kids seem to believe that the bell is needed to make the bikes go)."