<http://schema.org/thumbnailUrl>
<http://www.metrowestdailynews.com/apps/pbcsi.dll/bilde?Site=WL&amp;Date=20120717&amp;Category=News&amp;ArtNo=307179369&amp;Ref=AR>
<http://www.metrowestdailynews.com/x736424916/An-adventure-in-the-Tree-Canopy-at-Worcesters-EcoTarium?zc_p=1>