<http://schema.org/about>
"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. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/bikes/is-this-the-worlds-first-tricycle.html>