I kinda agree with TrueViking about keeping the store in due to repeated failed mega projects. However, one of my favourite buildings in the world is the Hearst Tower in NYC. Sir Norman Foster's crown jewel built on top of a historic limestone facade is just great.
Can someone make a render with Norman Foster's 40 floors on top? The Bay could stay on the lower floors and a big company like GWL on top.
https://en.wikipedia.org/wiki/Hearst_Tower_(Manhattan)