<http://schema.org/url>
<http://www.businessweek.com/articles/2014-04-21/sherpa-deaths-on-everest-rekindle-debate-about-closing-the-mountain>
<http://www.bloomberg.com/bw/articles/2014-04-21/sherpa-deaths-on-everest-rekindle-debate-about-closing-the-mountain>