<http://schema.org/thumbnailUrl>
<http://www.metrowestdailynews.com/apps/pbcsi.dll/bilde?Site=WL&amp;Date=20130510&amp;Category=News&amp;ArtNo=305109280&amp;Ref=AR>
<http://www.metrowestdailynews.com/x464928320/National-Grid-union-threatens-strike-this-weekend>