Modern wind turbines are truly a sight to behold, rising hundreds of feet off the ground, their massive blades slowly churning through the air. They are almost other-worldly. I have stood under towering turbines on a wind farm in Wyoming and marveled at both their power and silence, with nothing but a faint woosh to mark their place.

If you have ever wondered how wind turbines are assembled, take a little time for yourself and watch this video, preferably on full screen. NatGeo's Sean Riley traveled to Rhode Island to film the construction of a 115 ton wind turbine. It's pretty durned impressive.

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