I had the opportunity to work on a couple of destroyed buildings for the map update in Season 4 as well as tease assets leading up to Season 4, here are some in-engine shots of them. I was responsible for modeling, texturing and set dressing these buildings with a destroyed building kit that Jake Virginia established. For the Hammond Projector Pole and Logo, we ended up re-texturing an existing TF Universe asset.

A lot of the assets and materials used here is pulled from our team's library.
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Environment Art Team
Robert Taube
Jose Zavala
Lewis Walden
Mike Altamirano
Kristen Altamirano
Tri Do
Jake Virginia
Austin Arnett
Tragan Monaghan
Paul Tran
Brooke Olson
Hans Myaard
Eugene Kim
Leah Augustine
Jobye Karmaker
Richard Rude