<http://schema.org/about>
"Rare film of the 1986 Challenger explosion, taken by Jeffrey Ault of Orange City, Fla., has emerged. It is perhaps the only amateur recording of the event on fi"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/videos/challenger-video-new-super-8-film-of-space-shuttle-disaster-discovered>