Dark blue subterranean tunnel, water channel, and pipes
Schlüsselwörter
tunnel,
subterranean,
water,
pipe,
grooved,
dark,
blue,
concrete,
industrial,
infrastructure,
pipeline,
metal,
round,
smooth,
reflecting,
light,
interior,
long,
perspective,
modern,
design,
technology,
engineering,
architecture,
waterway,
duct,
stream,
flow,
deep,
pipe
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