<http://schema.org/keywords>
"international space station london marathon London marathon astronaut London marathon ISS London marathon International space station Tim peake Tim peake london marathon astronaut marathon outer space marathon simulated london marathon ISS astronaut simulated london marathon"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/extra-mustard/2015/12/04/astronaut-london-marathon-outer-space>