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Mine, tunnel front, silhouette of a standing worker
Bartin,Turkey-April 5, 2014: Unidentified Chinese mine workers began working in Turkey on April 5, 2014 in Bartin,Turkey.
Communication tunnel at underground bunker or subway, etc.
Bunker sotterraneo della seconda guerra mondiale a Nera Montoro in Umbria
Mine salt entrance in Nemocón, Cundinamarca, Colombia. The region is well known for its salty mines. Although they are no longer in production they are open for toursim
Female engineer at work, at the electricity power plant construction site.
Nevada monument sign on Interstate 11 (U.S. Highway 93), just past the Hoover Dam Bridge, near the Arizona border showing sign and interstate traffic.
Cargo skip shaft of an underground mine
Potosi, Bolivia - September 7, 2009: Miners in the Silver mine look down a basic mineshaft during a tour of the silver mine which has been in operation since the town was founded in 1546.
Details of the interior passages of The Bent Pyramid of king Sneferu, A unique example of early pyramid development in Egypt, madse of ancient limestone, selective focus
An underground tunnel, rails and wagons for the city's wastewater
Long steps towards mine tunnel
Professional underground workerpointing downward in a tunnel/mine.
TONOPAH, NEVADA, USA - JUNE 3, 2017: Signboard of Tonopah Test Range with a Missle-Sculpture an a wide range in the back
Transportin crushed ore to sag mill.
Amalfi coast. Italy
The Cave
Wide view of zinc mining near Aggenys in Northern Cape, South Africa
Mine cave in Wanda, Misiones, Argentina
Man with a head torch Looking Inside a Hole
Eight kilometers from the northern suburbs of Korla City, the capital of Bayingoleng Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region, China, choked the exit of the steep gorge upstream of the Kongqi River, which was once the natural dangerous artery of traffic in northern and southern Xinjiang and the throat of the ancient \
Pyramid Lake is a large natural lake and a world-class fishery in Nevada. Pyramid Lake, Nevada, United States on April 21, 2023
Mining works
Old Underground Tunnel - Blinman - Australia
Lava tunnels on the island of Santa Cruz in the Galapagos Archipelago, Ecuador
Tunnel front with blasting holes and reinforcement
An abandoned mine tunnel inside Aguereberry Camp in Death Valley, California, showcasing remnants of old mining equipment and rugged rock formations in a historic desert landscape.
Deep underground inside an abandoned mine shaft.
Gold mine Death Valley National Park
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