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