Concept for a vertical axis wind turbine on the Eiffel tower

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·@yarsb21·
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Concept for a vertical axis wind turbine on the Eiffel tower
![http://i.imgur.com/ZIiMRT3.gif](http://i.imgur.com/ZIiMRT3.gif)
 Source: [Concept for a vertical axis wind turbine on the Eiffel tower](http://i.imgur.com/ZIiMRT3.gifv)
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