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1
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sewer
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Western countries
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Sewers are essential infrastructure in Western countries, responsible for managing and disposing of household wastewater and sewage.
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5
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2
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sewer
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Europe
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Sewers are an essential part of European urban infrastructure, managing wastewater to prevent flooding and maintain hygiene.
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3
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3
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sewer
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Indonesia
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In Indonesia, sewers are less common and traditional waste management methods such as septic tanks and open drainage are more prevalent.
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3
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4
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sewer
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Indian cities
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Indian city sewers are overwhelmed by waste from rapid urbanization, leading to blockages and frequent flooding during monsoon season.
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1
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