[TowerTalk] MidAmerican Energy Company - From the Ground Up: Building our energy future, one turbine at a time - YouTube

[Don W7WLL]

I recognize it is sort of a commercial but it was interesting to see how one of these wind towers is put together and the safety gear used by the guys doing the grunt work inside. Hope it isn’t a dupe of something sent to this reflector previously. I’d not seen it. These must be subject to a lot of lightning strikes.
Nice time-lapse video regarding the process of erection of a wind powered turbine. 
 https://www.youtube.com/embed/84BeVq2Jm88?feature=player_detailpage

Don T W7WLL