Some of the best ideas, are the ones that never get built.
PenghaoShan Zhejiang Sci-tech University, China, within the top 8 best Electrolux Design Lab ´09 entries.
A students answer to the our water storage problems. These flying balls catch rain water and filter them, then bring the water straight to you for enjoyment. The balls are stored on a loading dock and are activated when the rain starts.
Think of each apartment had these on there patio. Crazy huh!