UGR, underground generator chamber, it has a rusted barrel-vaulted metal ceiling crossed by thick pipes and suspended cyan fluorescent tubes. A massive engine occupies the right middle ground on raised steel runners, combining a horizontal cylindrical housing, upright reservoir, circular fan grille, wired control panel and front battery boxes with electrical hazard markings. A small pail rests beside its base. Behind the machinery, open shelving holds containers and coiled leads. A closed rectangular door with a bottom ventilation grille stands against the rear wall, beside a yellow switchbox. A cluttered workbench and cropped drum line the left side. Loose cables cross the wet concrete foreground beside a recessed drainage channel reflecting the cold illumination