Rotterdam #4 happened on 25 August 2014
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https://vimeo.com/105847080 Arne Boon & Aduén Darriba Frederiks - Studio Aan - talked about the urinal/beer-tap mashup Plastap that makes you think different about pee.  The Plastap (pee-tap) is a urinal / beer-tap mashup. Participators get an amount of beer exact to the amount they peed. Besides being a fun experience the Plastap is the start of a closed loop ecology. In a world where we mine phosphorous in the USA, ship it as fertilizer to spain to grow tomatoes, eat them in Holland and burn our phosphorous in a waste incinerator we are currently depleting resources. Arne & Aduén talked about creating a fun festival experience that makes you think different about pee.