Resultados de «underground»

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Carlsbad caverns underground chamber with stalagmites and stalactites

Carlsbad caverns underground chamber with stalagmites and stalactitesfotografía · horizontal

Construction worker inspects a drilling machine inside a tunnel

Construction worker inspects a drilling machine inside a tunnelfotografía · horizontal

Boring machine cutterhead at an underground construction site

Boring machine cutterhead at an underground construction sitefotografía · horizontal

Tunnel boring machine conveyor system inside underground tunnel in USA

Tunnel boring machine conveyor system inside underground tunnel in USAfotografía · horizontal

Construction workers inside an underground tunnel with scaffolding

Construction workers inside an underground tunnel with scaffoldingfotografía · horizontal

White construction worker inspects underground tunnel for safety

White construction worker inspects underground tunnel for safetyfotografía · horizontal

Close-up of a tunnel boring machine cutterhead drilling underground

Close-up of a tunnel boring machine cutterhead drilling undergroundfotografía · horizontal

Construction vehicle working inside curved tunnel during drilling

Construction vehicle working inside curved tunnel during drillingfotografía · vertical

Tunnel boring machine drilling underground infrastructure

Tunnel boring machine drilling underground infrastructurefotografía · horizontal

Interior view of carlsbad caverns with stalactites and stalagmites

Interior view of carlsbad caverns with stalactites and stalagmitesfotografía · horizontal

Interior of a tunnel boring machine during underground construction

Interior of a tunnel boring machine during underground constructionfotografía · horizontal

Massive tunnel boring machine prepares for underground drilling

Massive tunnel boring machine prepares for underground drillingfotografía · horizontal

Tunnel boring machine drilling underground in a construction site

Tunnel boring machine drilling underground in a construction sitefotografía · horizontal

Tunnel boring machine drilling at an underground construction site

Tunnel boring machine drilling at an underground construction sitefotografía · vertical

Large tunnel boring machine

Large tunnel boring machinefotografía · horizontal

Worker inspects a tunnel boring machine

Worker inspects a tunnel boring machinefotografía · horizontal

White construction worker inspects a large underground tunnel

White construction worker inspects a large underground tunnelfotografía · horizontal

Interior of carlsbad caverns

Interior of carlsbad cavernsfotografía · horizontal

Large tunnel boring machine drills through underground rock

Large tunnel boring machine drills through underground rockfotografía · horizontal

Close-up of tunnel boring machine cutting head drilling underground

Close-up of tunnel boring machine cutting head drilling undergroundfotografía · horizontal

Tunnel boring machine positioned inside a construction site

Tunnel boring machine positioned inside a construction sitefotografía · horizontal

Two white construction workers inspect a tunnel boring machine

Two white construction workers inspect a tunnel boring machinefotografía · horizontal

Close-up of a tunnel boring machine cutting face used

Close-up of a tunnel boring machine cutting face usedfotografía · horizontal

White construction workers inspect a large tunnel boring machine

White construction workers inspect a large tunnel boring machinefotografía · horizontal

Construction vehicle works inside a large concrete-lined tunnel

Construction vehicle works inside a large concrete-lined tunnelfotografía · horizontal

White construction worker inspects a tunnel boring machine

White construction worker inspects a tunnel boring machinefotografía · horizontal

White construction workers inspect massive tunnel boring machine

White construction workers inspect massive tunnel boring machinefotografía · horizontal

Two white workers observe tunnel boring machine drilling underground

Two white workers observe tunnel boring machine drilling undergroundfotografía · horizontal

Inside a large round industrial tunnel with ventilation ducts

Inside a large round industrial tunnel with ventilation ductsfotografía · horizontal

Interior of a tunnel under construction with utility pipes

Interior of a tunnel under construction with utility pipesfotografía · horizontal

Large curved concrete tunnel under construction

Large curved concrete tunnel under constructionfotografía · horizontal

White construction worker inspects a tunnel boring machine

White construction worker inspects a tunnel boring machinefotografía · horizontal

White construction workers inspect a tunnel boring machine

White construction workers inspect a tunnel boring machinefotografía · horizontal

Two white construction workers inspect tunnel boring machine

Two white construction workers inspect tunnel boring machinefotografía · horizontal

White worker inspects a large tunnel boring machine

White worker inspects a large tunnel boring machinefotografía · horizontal

Two white workers inspect a huge tunnel boring machine

Two white workers inspect a huge tunnel boring machinefotografía · horizontal

Tunnel boring machine drill head at a USA construction site

Tunnel boring machine drill head at a USA construction sitefotografía · horizontal

Two white workers review plans by a tunnel boring machine

Two white workers review plans by a tunnel boring machinefotografía · vertical

White construction workers

White construction workersfotografía · horizontal

Two white construction workers inspect a tunnel boring machine

Two white construction workers inspect a tunnel boring machinefotografía · horizontal

White construction worker inspects a large tunnel boring machine

White construction worker inspects a large tunnel boring machinefotografía · horizontal

White construction worker inspects a large tunnel boring machine

White construction worker inspects a large tunnel boring machinefotografía · horizontal

Interior of a large concrete tunnel with pipes and ventilation ducts

Interior of a large concrete tunnel with pipes and ventilation ductsfotografía · horizontal

Interior view of a concrete tunnel under construction with overhead

Interior view of a concrete tunnel under construction with overheadfotografía · horizontal

Tunnel boring machine working on a large construction site

Tunnel boring machine working on a large construction sitefotografía · horizontal

Large concrete tunnel with drilling equipment under construction

Large concrete tunnel with drilling equipment under constructionfotografía · horizontal

Tunnel boring machine positioned for drilling

Tunnel boring machine positioned for drillingfotografía · horizontal

Four workers inspect a large concrete tunnel under construction

Four workers inspect a large concrete tunnel under constructionfotografía · horizontal

Large tunnel boring machine is set

Large tunnel boring machine is setfotografía · horizontal

Interior of a large curved tunnel with pipes installed during drilling

Interior of a large curved tunnel with pipes installed during drillingfotografía · horizontal

Stalactites inside carlsbad caverns

Stalactites inside carlsbad cavernsfotografía · horizontal

Construction workers operating a tunnel boring machine

Construction workers operating a tunnel boring machinefotografía · horizontal

Large tunnel boring machine drill head at USA construction site

Large tunnel boring machine drill head at USA construction sitefotografía · horizontal

Cave formations of stalactites and stalagmites New Mexico

Cave formations of stalactites and stalagmites New Mexicofotografía · vertical

Tunnel boring machine at a construction site drilling shaft

Tunnel boring machine at a construction site drilling shaftfotografía · horizontal

Worker inspects tunnel boring machine during drilling

Worker inspects tunnel boring machine during drillingfotografía · horizontal

Tunnel boring machine operates at a construction site

Tunnel boring machine operates at a construction sitefotografía · horizontal

Large tunnel boring machine at an excavation site

Large tunnel boring machine at an excavation sitefotografía · horizontal

Tunnel boring machine drilling tunnels in a construction shaft

Tunnel boring machine drilling tunnels in a construction shaftfotografía · horizontal

Large tunnel boring machine

Large tunnel boring machinefotografía · horizontal

Large tunnel boring machine inside concrete construction site

Large tunnel boring machine inside concrete construction sitefotografía · horizontal

Symmetrical pillars casting shadows in dark architectural interior

Symmetrical pillars casting shadows in dark architectural interiorilustración · horizontal

Engineers inspect tunnel boring machine during construction

Engineers inspect tunnel boring machine during constructionfotografía · horizontal

Tunnel boring machine drilling a tunnel during construction

Tunnel boring machine drilling a tunnel during constructionfotografía · horizontal

Tunnel boring machine drilling at a construction site

Tunnel boring machine drilling at a construction sitefotografía · vertical

Tunnel boring machine positioned

Tunnel boring machine positionedfotografía · horizontal

Large tunnel boring machine at a construction excavation site

Large tunnel boring machine at a construction excavation sitefotografía · horizontal

Tunnel boring machine positioned in vertical shaft for drilling

Tunnel boring machine positioned in vertical shaft for drillingfotografía · horizontal

Tunnel boring machine at a concrete-lined construction site

Tunnel boring machine at a concrete-lined construction sitefotografía · horizontal

Tunnel boring machine seen at a construction shaft site

Tunnel boring machine seen at a construction shaft sitefotografía · horizontal

Tunnel boring machine at a deep excavation construction site

Tunnel boring machine at a deep excavation construction sitefotografía · horizontal

Large tunnel boring machine assembly in a deep construction shaft

Large tunnel boring machine assembly in a deep construction shaftfotografía · horizontal

White construction worker inspects tunnel boring machine drilling

White construction worker inspects tunnel boring machine drillingfotografía · horizontal

Close-up of the boring head of a tunnel boring machine drilling

Close-up of the boring head of a tunnel boring machine drillingfotografía · horizontal

Tunnel boring machine undergoing maintenance

Tunnel boring machine undergoing maintenancefotografía · horizontal

Giant tunnel boring machine prepares for drilling

Giant tunnel boring machine prepares for drillingfotografía · horizontal

Tunnel boring machine at construction site

Tunnel boring machine at construction sitefotografía · horizontal

White construction worker inspects blueprints by a tunnel boring

White construction worker inspects blueprints by a tunnel boringfotografía · horizontal

Large tunnel boring machine at a construction excavation site

Large tunnel boring machine at a construction excavation sitefotografía · horizontal

Tunnel boring machine drilling in a construction site

Tunnel boring machine drilling in a construction sitefotografía · horizontal

Tunnel boring machine at work inside a vertical construction shaft

Tunnel boring machine at work inside a vertical construction shaftfotografía · horizontal

Tunnel boring machine at a construction site

Tunnel boring machine at a construction sitefotografía · horizontal

Close-up of a tunnel boring machine used for tunneling work

Close-up of a tunnel boring machine used for tunneling workfotografía · horizontal

Tunnel boring machine operating at a construction excavation site

Tunnel boring machine operating at a construction excavation sitefotografía · horizontal

Worker inspects massive tunnel boring machine at construction site

Worker inspects massive tunnel boring machine at construction sitefotografía · horizontal

Tunnel boring machine head working in a deep construction shaft

Tunnel boring machine head working in a deep construction shaftfotografía · horizontal

Tunnel boring machine inside a construction shaft

Tunnel boring machine inside a construction shaftfotografía · horizontal

White construction worker inspects a tunnel boring machine

White construction worker inspects a tunnel boring machinefotografía · horizontal

Close-up of the cutterhead on a tunnel boring machine drilling

Close-up of the cutterhead on a tunnel boring machine drillingfotografía · horizontal

Large tunnel boring machine stands in a construction site

Large tunnel boring machine stands in a construction sitefotografía · horizontal

A white worker inspects a massive tunnel boring machine

A white worker inspects a massive tunnel boring machinefotografía · horizontal

Large tunnel boring machine drills a tunnel at a construction site

Large tunnel boring machine drills a tunnel at a construction sitefotografía · horizontal

Construction worker inspects tunnel boring machine

Construction worker inspects tunnel boring machinefotografía · horizontal

Tunnel boring machine is drilling a tunnel in a construction site

Tunnel boring machine is drilling a tunnel in a construction sitefotografía · vertical

White construction workers inspect a large tunnel boring machine

White construction workers inspect a large tunnel boring machinefotografía · horizontal

Two white construction workers inspect plans beside a large tunnel

Two white construction workers inspect plans beside a large tunnelfotografía · horizontal

Tunnel boring machine at construction site in the USA with white

Tunnel boring machine at construction site in the USA with whitefotografía · horizontal

Two white construction workers inspecting a tunnel boring machine

Two white construction workers inspecting a tunnel boring machinefotografía · horizontal