The Nabor Carrillo Reservoir can be seen from an airplane: when entering the state of Mexico’s airspace from the east, the reservoir appears like a strange, black, rectangular stain, like a dam, an unexplainably clear territory, covered with a dark, shiny substance. Seen from an airplane flying over Mexico City airspace, the perfect geometry of the reservoir stands out in the messy urban stain spreading a few miles west. Residents of the city and its surroundings do not visit the biggest water rectangle in the Valley of Mexico: Nabor Carrillo is protected by barriers restricting the access to strangers, so that only biologists, agronomists, and federal employees assigned to the area know its orthogonal basin for processed water. [...]
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in ENCYCLOPEDIA