<http://schema.org/thumbnailUrl>
<http://s2.reutersmedia.net/resources/r/?m=02&amp;d=20110928&amp;t=2&amp;i=508203220&amp;w=&amp;fh=545px&amp;fw=&amp;ll=&amp;pl=&amp;sq=&amp;r=2011-09-28T215453Z_01_BTRE78R1HC100_RTROPTP_0_YELLOWSTONE>
<http://www.reuters.com/article/2011/09/28/us-climate-yellowstone-idUSTRE78R4XZ20110928>