Pollution discharge outlet of large concrete pipe in the city
Keywords
sewer,
sewerage,
discharge,
tube,
pollution,
sewage,
pipeline,
drain,
concrete,
garbage,
waste,
danger,
global,
water,
stream,
filthy,
ecology,
tubing,
disaster,
manufacturing,
underground,
dirty,
environment,
nature,
construction,
drainage,
industrial,
architecture,
pipe,
grooved,
piping,
factory,
grease,
dump,
canal,
flowing,
chemical,
contamination,
capital,
dirt,
city