Workers are inside a dimly lit tunnel, wearing protective gear including helmets, safety vests, and masks. They are engaged in various tasks related to maintenance or construction, using tools and equipment with electrical and safety cables visible. The environment suggests a high-risk, enclosed space, possibly underground, requiring careful handling and protection from potential hazards. Bright work lights illuminate the tunnel, highlighting the concrete structure and utility pipes along the walls. Equipment, such as a generator, is also present.
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