<http://schema.org/about>
"When NASA's mighty Saturn V rocket launched the historic Apollo 11 mission to land the first men on the moon in 1969, the five powerful engines that powered the"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/apollo-11-rocket-engines-found-on-ocean-floor>