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- Floating Light Park Skyscraper Uses Solar Power and Helium to Hover Above Pollution-Choked Beijing Thu, 14 Mar 13, 5:00amRead the rest of Floating Light Park Skyscraper Uses Solar Power and Helium to Hover Above Pollution-Choked Beijing Permalink | Add to del.icio.us | digg Post tags: "clean energy", "skyscraper competition", 2013...