Typical old electrical installation for light in a mine tunnel.
Size: 5364px × 3575px
Location: Hallstatt, Austria
Photo credit: © Lars-Ove Jonsson / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: bright, dark, electricity, energy, equipment, illuminated, industry, installation, lamp, light, tunnel, underground, walkway, wire