Saw this today after the SSP meet downtown
Looks like the Citigroup tower is actually branding the plaza to give it a stronger presence. There will be new landscaping and trees added. It reminds me of the revamp that the office plaza at 5th/Fig went through a few years ago (the one with the statue of the bear).
5th/Flower (future Downtown Connector subway station?)
Citigroup Center
Looking north
Looking east
The new landscaping in the background is shown in this rendering
Bonus shot of the library from Bunker Hill steps