Tower crane raising process. 2:04 video
https://www.youtube.com/watch?v=qX-ZdPPUuhM
Previously:
https://www.homemadetools.net/forum/...apse-gif-82566
https://www.homemadetools.net/forum/...860#post148525
https://www.homemadetools.net/forum/...999#post125279
