To give a sense of the scale of this building:
Part of the convention center empty:
https://www.google.com/maps/@41.8535338,-87.6124521,3a,75y,6...
From what used to be Meigs Field. You have to back up quite a bit to see the entire building. It's very large, and right on the lake. https://www.google.com/maps/@41.8538295,-87.6090441,3a,75y,2...