Workers excavate inside one of 24 shafts (ranging from 26 to 150 meters deep), that form part of the Tunél Emisor Oriente (TEO), one of Mexico's most dramatic water infrastructure projects in 30 years. The shafts (lumbreras) are designed to provide ventilation and to allow the introduction of machinery during and after the project's completion. The seven meter wide, 62 kilometer tunnel was constructed to duplicate drainage capacity in the Valley of Mexico and prevent serious floods that occur throughout the Mexico City Metropolitan Zone (MCMZ).
- © Janet Jarman 2010, ALL RIGHTS RESERVED
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- Contained in galleries
- Aguas Negras