The auditorium is not in the building but 'half way' underground [0], so these walls supports the cupola and themselves, but they are not 'load-bearing'. Also d

The auditorium is not in the building but 'half way' underground [0], so these walls supports the cupola and themselves, but they are not 'load-bearing'. Also did you ever seen how igloo is made? https://images.adsttc.com/media/images/5ad6/3db5/f197/cc73/2f00/00e4/slideshow/Niemeyer-Section.jpg?1523989937 https://images.adsttc.com/media/images/5ad6/3db5/f197/cc73/2...