Large fish-shaped sculptures created with the use of discarted plastic bottles have appeared at one of the most visited beaches in Rio de Janeiro as a part of Rio+20 conference on sustainable development. The installation is illuminated at night with colorful lights which make it glow in the dark. The project serves as a reminder for beach-goers to recycle plastic bottles in order to reduce the amount of waste that ends up in our oceans'.
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via http://www.psfk.com/2012/06/sustainable-plastic-fish-sculptures.html
http://www.thisiscolossal.com/