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Communication tunnel at underground bunker or subway, etc.
Tunnel
Construction site tunnel entrance construction, stone construction. equipment for production.
View of the mine entrance for copper mining.
Coal mine underground corridor with support system
An iconic viewpoint in Yosemite National Park offering paniramic vista of EI Capitan, Half Dome, Yosemite valley, Bridaveil Fall and other famous landmarks.
A dark tunnel where cars drive
A tunnel on route 61  a long the north shore of Lake Superior in Minnesota.
Copper Mine tunnel located in the town of Hyder, Alaska but situated within British Columbia.
Shot on film and scanned shot of tunnel at Yosemite National Park, California.
Freeway tunnel near Byron Bay, NSW, Australia
Mine/tunnel entrance at night
Highway Road Tunnel with luminous safety lights
Georgetown, CO, USA - October 8, 2020: Directional road sign to entrances to Interstate 70. Pointing to the right would be east to Denver. Pointing forward under overpass goes west to Grand Junction.
Canada British Columbia, Fraser canyon highway.
Blast tunnel in a bomb shelter
Double tunnels on snow covered dirt road through 11 mile canyon near Lake George, Colorado west of Colorado Springs, USA, North America.
construction site, industrial, concrete, stone structure. equipment for the production.
Coal mine underground corridor with support system
A narrow, pedestrian tunnel that is painted white and illuminated by fluorescent light fixtures sits empty.
Picture is of Castle Rock Colorado taken from the rock park looking down the valley at Pikes Peak.
Goriano Sicoli, Italy The Olmo di Bobbi car tunnel through the mountains in the Abruzzo National Park.
The Wawona Tunnel, Yosemite National Park
There's a light at the end of the tunnel
Pikes Peak from the east in Colorado Springs, Colorado in western USA of North America
Kanagawa,Japan-July 19,2019: New Tomei Expressway Tanigayama tunnel under construction
Aerial view of the new computer chip factory that's being built by The Taiwan Semiconductor Manufacturing Company in Arizona on the North side of Phoenix. TSMC has invested $40 billion dollars into this project, and the project is receiving support from the United States via the CHIPS Act.
Tunnel in the way to the beach on the Imigrantes highway. Parrked into the tunnel in a SOS area.
Morro Rock State Natural Preserve, California
Free Images: "bestof:Cheyenne mt, Int const, tunnel work.jpg NORAD blast doors Cheyenne Mountain Colorado USAF photo URL https //www cheyennemountain af mil PD-USGov Construction of"
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