Kuna indigenous woman sewing a mola in the San Blas Islands, Panama, Central America

Trash in sewer in Amlame, Togo, West Africa, Africa

Polluted river in Heilongjiang province, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

United Utilities improving the sewerage system in Elterwater, Langdale, Lake District, Cumbria, England, United Kingdom, Europe

Polluted river in Heilongjiang province, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

A sewer drain overcome with flood water, Ambleside, Cumbria, England, United Kingdom, Europe

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

New sewers being laid on a house building site in Ilulissat, Greenland, Polar Regions

Badly polluted river in the industrial city of Hangang, China, Asia

A drain and car print in the snow, England, United Kingdom, Europe

This badly polluted river is in the industrial city of Hangang, China, Asia

Pressure of the floodwater bubbling up through a man hole cover in Ambleside, Cumbria, England, United Kingdom, Europe

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

An open sewer in Suihua city, Heilongjiang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

This badly polluted river is in the industrial city of Hangang, China, Asia

Water sewer in Montpellier France A symbol on the ground warns us that the Camino de Santiago Way of St. James also passes through Montpellier. The Via Tolosana is the Latin name for one of the four routes in France on the Camino de Santiago, the southernmost. It passes through Toulouse (in Spanish and Occitan, Tolosa, hence its name), but its meeting point and starting point is Arles.

Europe, Great Britain, England, Warwickshire, Napton on the Hill, Oxford Canal

Coat of arms of Wismar on a manhole cover, Wismar, Mecklenburg-Western Pomerania, Germany, Europe

Polluters Bach, sewer, in the favela Jardim Celeste, Zona Sul, São Paulo, Brazil, South America

Sewer, contaminated stream in the favela Buraco do Tatu, Sapopemba, Zona Suedeste, São Paulo, Brazil, South America

Manhole cover showing the List on Sylt coat of arms, List, Sylt Island, North Frisian Islands, Schleswig-Holstein, Germany

Manhole cover with Freiburg coat of arms and Freiburger Baechle brook, Freiburg, Baden-Wuerttemberg, Germany, Europe

Manhole cover of the municipal water treatment works, old pavement, Lower Saxony, Germany, Europe

Manhole cover with Hamburg coat of arms, Hamburg, Germany, Europe

Drain cover, Berlin, Germany

Dortmund coat of arms on a manhole cover, Dortmund, North Rhine-Westphalia, Germany, Europe

St. Mauritius, "Coburg Moor", patron saint of Coburg on a manhole cover, Coburg, Upper Franconia, Germany, Europe

Manhole cover with the coat of arms of Eisleben, Saxony-Anhalt, Germany, Europe

Duct cover with city arms, Husum, North Frisia, Schleswig-Holstein, Germany, Europe

Manhole cover with the city arms of Hamburg, Germany, Europe

Manhole cover, Lausanne, Lake Geneva, Canton Vaud, Switzerland, Europe

Manhole cover with historic coat of arms of the town Landsberg, Landsberg am Lech, Bavaria, Germany, Europe, PublicGround

Low angle view of the corner of a building, French Quarter, New Orleans, Louisiana, USA

Close-up of a manhole, Le Mans, Sarthe, Pays-de-la-Loire, France

Cyclist riding bike on wet walkway with glowing green light at night in Manhattan; New York City, New York, United States of America

Norway rat or brown rat rats in the sewer pipe in human environment Environment

home construction, sewer pipes