Tunnel worker examines pipeline in underground tunnel.
Size: 3888px × 2592px
Photo credit: © Vladimir Zapletin / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: abandoned, concrete, construction, dirty, draining, duct, environment, equipment, fixing, fixturing, gas, heating, helmet, human, industrial, inspector, interior, labor, lantern, man, metro, mounter, person, pipe, pipeline, pollution, professional, protective, repair, respirator, safety, service, sewage, sewer, sewerage, sinker, smelly, subway, surface, tube, tunnel, tunneler, underground, uniform, wastewater, water, work, worker