<http://schema.org/url>
<http://images.businessweek.com/slideshows/2013-04-04/steve-jobss-first-choice-location-for-apple-his-obsession-with-stairs-architecture-a-timeline>
<http://www.bloomberg.com/bw/slideshows/2013-04-04/steve-jobss-first-choice-location-for-apple-his-obsession-with-stairs-architecture-a-timeline>