<http://schema.org/description>
"The Hubble telescope turns 25, marking a milestone in the history of space exploration. As Pavithra George reports, NASA is celebrating the technology, saying Hubble has &amp;quot;rewritten the text books.&amp;quot;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2015/04/22/the-hubble-turns?videoId=363955405>