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December 19th
![Arresting WWF anti-river pollution ad by Contrapunto (Madrid). [via Boing Boing, Ads of the World]](http://24.media.tumblr.com/frOQmxCpI3608ng8MVIi40Sm_400.jpg)
Arresting WWF anti-river pollution ad by Contrapunto (Madrid). [via Boing Boing, Ads of the World]
Arresting WWF anti-river pollution ad by Contrapunto (Madrid). [via Boing Boing, Ads of the World]
