<http://schema.org/alternativeHeadline>
"The critically endangered grey nurse shark was coaxed into a 'shark sock,' wrestled onto a stretcher and then brought to the surface for her life-saving procedure."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/blogs/divers-rescue-rare-shark-from-garbage-video>