Downtown Tulsa Bison May 9, 2016 • 6000 × 4000 • Downtown Tulsa Bison Part of the Williams floor remodel project. Photo on floors 20/33 of the WIlliams/BOK Tower in downtown Tulsa. Part of the Williams floor remodel project. Photo on floors 20/33 of the WIlliams/BOK Tower in downtown Tulsa. Share Joey:TwitterFacebookLinkedInPinterestEmail