<http://schema.org/description>
"Nik Wallenda completed the stunt on a 2in (5cm) thick steel cable, 1,500ft (457.2m) above the ground - footage courtesy of the Discovery Channel"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bbc.co.uk/news/world-us-canada-23026657>