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“Avoid Calcutta’s un- healthy monsoon. From June until the end of September over a meter and a half of rain bombards the city. Outhouses overflow and contaminate water used for drinking, bathing, and washing cooking utensils. Many of the eight thousand annual deaths caused by cholera and gastrointestinal diseases occur during the rains. Antiquated, silt-clogged sewage pipes drain only a quarter inch of rainwater per hour. Manhole covers are removed to facilitate drainage, and in nonstop rains (more than thirty centimeters, or a foot, in twenty-four hours), open sewers, hidden under water, become booby traps as pedestrians inadvertently plunge into them and drown.”
― James O'Reilly, Travelers' Tales India: True Stories