I did a number of walkthrough's for a high rise. Not 'totally' happy with them. It was my first animation project and probably a bit too big but those are the cards that were dealt..haha. .
Here's one floor: https://www.dropbox.com/scl/fi/sywb9pmb3cjgbx8uqzfob/AZ_FirftheenthFloor_FINAL_REV2.mp4?rlkey=0hvixcnmo73f2vphkl6hcrxwl&dl=0