Aside from the chronic back pain a gig like this would bring, it looks like immensely satisfying work. Tetris without the time pressure. Indisputable measurements of success or failure.
Comments wondered how the cock-ups happened in the first place. The prevailing theory is that it was laid by a RoadPrinter, the massive bricklaying machine from the Netherlands, and that workers under time pressure incorrectly loaded some of the bricks.