sunlitrevolution:Interlocking windmills make green energy as easy as assembling LEGOsThe German
sunlitrevolution: Interlocking windmills make green energy as easy as assembling LEGOs The German company EMAMIDESIGN has developed an innovative way to harness the power of wind. Interlocking, compact windmills combine to make the Windflock energy system capable of powering devices and buildings large and small. -- source link