Inside a sewer.
Palabras clave
sewer,
water,
pipe,
tunnel,
underground,
sewage,
inside,
tube,
concrete,
dirty,
pipeline,
industrial,
sewerage,
round,
drainage,
drain,
grooved,
danger,
dark,
pollution,
deep,
environment,
mystery,
flow,
stink,
passage,
concept,
toxic,
collector,
abandoned,
subterranean,
river,
draining,
hole,
flowing,
interior,
stream,
flooded,
urban,
leaking,
leak,
ecology,
factory,
outflow,
waste,
men at work,
construction,
sludge
