At the National Wind Technology Center (NWTC) in Boulder, Colorado, USA Jonathan Wiley and Eric Kuntzelman rappel more than 300 feet from the top of a 3 megawatt wind turbine.
Photo Credit: U.S. Department of Energy, Dennis Schroeder
Photo Friday: 300 feet – rappelling down wind turbines
At the National Wind Technology Center (NWTC) in Boulder, Colorado, USA Jonathan Wiley and Eric Kuntzelman rappel more than 300 feet from the top of a 3 megawatt wind turbine.
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