Mexico City’s troubled relation with water is fairly well-known: from the Aztec/Mexica city of Tenochtitlán which was based on islands found on a large series of brackish lakes, to the modern metropolis stuck between cycles of drought and flooding. Among draining aquifers causing soil subsidence and lost canals, it may be easy to assume that the rivers that once fed the lake system are gone too. However, some of these still run in Mexico City, intubated and well out of sight, often combined with urban sewage and drainage systems. La…
