Energy Water and Light

Hippo Water Roller

Pettie Petzer e Johan Jonker, Sud Africa, dal 1991

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Sistema Sol-Char

Sol-Char Team / University of Colorado Boulder, USA, 2013-2016

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Little Sun, non solo una lampada

Olafur Eliasson e Frederik Ottesen, Germania, 2012, 2015, 2017

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WakaWaka, luce & energia

Off-Grid Solutions (1a lampada, 2011) e Stereo Design, NL, 2013

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