<http://schema.org/url>
<http://www.treehugger.com/slideshows/natural-sciences/whimsical-new-york-exhibit-gives-voice-to-often-ignored-urban-trees/>
<http://www.treehugger.com/slideshows/natural-sciences/whimsical-new-york-exhibit-gives-voice-to-often-ignored-urban-trees/>