Vertical axis wind turbine on the roof of a block of flats. The triple helix shape of this turbine enables it to catch the wind from any direction, un

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Vertical axis wind turbine on the roof of a block of flats. The triple helix shape of this turbine enables it to catch the wind from any direction, unlike horizontal axis turbines which swivel to face the prevailing wind. Photographed in Wolverton, Buckinghamshire, UK.

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Size: 4410px × 5448px
Photo credit: © MARTIN BOND/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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