Mexico City Subway Says Pee Causes Escalator Breakdowns

Officials say vast amounts of urine in the subway system has driven escalator service into the toilet.

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MEXICO CITY (AP) — Travelers on the Mexico City subway system often blame authorities for broken-down escalators at subway stops, but Metro officials have another explanation: vast amounts of pee. Somehow, urine is penetrating and corroding the drive wheels and mechanisms of the escalators that carry riders up from underground stations. In a list published Tuesday, the Metro system listed “corrosion due to urine” as one of the top five causes of escalator breakdowns. Fermin…

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