<http://schema.org/about>
"The last man to leave his bootprints on the moon will pay tribute to the first man who laid foot there at a national memorial service for the late astronaut Nei"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/neil-armstrongs-public-memorial-will-celebrate-moonwalkers-life>