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Image of a concrete tunnel wall with blue light shining through
DragonOne

DragonOne

Interior of an underground tunnel featuring a yellow vehicle and visible wiring
ブー太郎

ブー太郎

Dimly lit tunnel interior featuring a walkway and barriers
taso583

taso583

Interior view of a tunnel with bright lights illuminating the dark passage
マイホト

マイホト

Interior of a tunnel illuminated by blue light
DragonOne

DragonOne

Interior of a dimly lit tunnel with concrete walls and overhead wiring
ブー太郎

ブー太郎

Concrete columns in an underground space illuminated by lights
あお🐐

あお🐐

Interior of a dark tunnel with visible pipes and electrical wires
ブー太郎

ブー太郎

Interior of a long tunnel with stairs and visible railings
wachawacha

wachawacha

View of a dark tunnel with stairs and railings
taso583

taso583

View of a train platform with tracks and a construction yellow machine
taso583

taso583