<http://schema.org/thumbnailUrl>
<http://www.heraldtribune.com/apps/pbcsi.dll/bilde?Site=SH&amp;Date=20120129&amp;Category=ARCHIVES&amp;ArtNo=201291061&amp;Ref=AR&amp;amp;imageVersion=Teaser>
<http://www.heraldtribune.com/article/20120129/ARCHIVES/201291061?Title=Estimates-of-gas-underground-fall-sharply-in-U-S->