SR-99 Tunnel Ventilation Portals

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Size: 5760px × 3098px
Photo credit: © jim simmons / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 99, architecture, buildings, colored, downtown, engineering, exhaust, hntb, industrial, infrastructure, portals, project, route, seattle, smoke, sr, sr-99, stacks, state, structures, tunnel, ventilation