You can see where the white rectangle will go down to. If you look there is a floor where the windows are not floor to ceiling. One floor below where the blue weather-proofing goes down on the left side.
Mohkínstsis — 1.6 million people at the Foothills of the Rocky Mountains, 400 high-rises, a 300-metre SE to NW climb, over 1000 kilometres of pathways, with 20% of the urban area as parkland.