. Carlos Slim Helú .

President Felipe Calderón Hinojosa and Mr. Carlos Slim Helú made a joint oversight tour to Atotonilco's waste-water treatment plant in the state of Hidalgo, Mexico. This public-private financed plant is a huge infrastructure work to solve water problems of Mexico City's metropolitan area and to benefit Hidalgo's farmers and inhabitants as well.
February 21, 2012. Atotonilco de Tula, Hidalgo.

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