Drone footage inside the SR 99 (Seattle) tunnel(wsdot.wa.gov)
wsdot.wa.gov
Drone footage inside the SR 99 (Seattle) tunnel
http://www.wsdot.wa.gov/Projects/Viaduct/Status/Blog/99closure-feature-drone-footage-inside-the-sr-99-tunnel
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http://www.wsdot.wa.gov/Projects/Viaduct/Status/Blog/99closure-feature-drone-footage-inside-the-sr-99-tunnel
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