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Is This The World's First Tricycle?

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trike.jpg Lu Ban is credited in China with developing the first saw, paper umbrella, kite, arch bridge and even a glider. He is considered the first and greatest architect in China, a Leonardo da Vinci two thousand years earlier. Now Chinese academic Xu Quan Long claims that he designed the first tricycle, and has built this re-creation. ... Read the full story on TreeHugger

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