Manholes are often used as an access point for an underground public utility, allowing inspection, maintenance, and system upgrades. The majority of u

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Manholes are often used as an access point for an underground public utility, allowing inspection, maintenance, and system upgrades. The majority of underground services have manholes.

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Size: 4000px × 3000px
Location: Padova, Italy
Photo credit: © Utwice / Alamy / Afripics
License: Royalty Free
Model Released: No

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