A year ago, Downtown Seattle's boom was like any 2 or 3 past booms put together. Amazingly it's continued with similar strength since then.
This has three-year animations from the Space Needle Panocam's panos taken every 10 minutes:
https://youtu.be/-2MTiUGvqyE
The Panocam itself, including views of any pano from the past few years (foggy at the moment):
https://spaceneedle.roundshot.com/