I don't care one way or the other, but they were bolting together structural steel like they do here. I would bet if businessmen are spending millions, there'd be a couple of bucks in there for Engineers. I remember reading an article a few years ago about a robotic house building system that could lay the bricks for walls, and do everything else as well. It ran around the perimeter on tracks.
Pre-fab is the future of construction.
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