Denver, Colorado - Wind turbines at the National Renewable Energy Laboratory's National Wind Technology Center.

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Size: 3336px × 5005px
Location: Denver, Colorado United States
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, center, colorado, denver, energy, front, government, lab, laboratory, national, nrel, range, renewable, research, states, technology, turbine, united, usa, vertical, wind