How to build the Chicago Spire

The techniques for building the Chicago Spire have been carefully explored, as you can see in the fascinating video above. Part 2 of the video is at YouTube, along with a WGN visit to the bottom of the site. If only they can figure out how to sell it! (Visited 33 times, 1 visits today)

The techniques for building the Chicago Spire have been carefully explored, as you can see in the fascinating video above. Part 2 of the video is at YouTube, along with a WGN visit to the bottom of the site.

If only they can figure out how to sell it!

(Visited 33 times, 1 visits today)