Uploaded on 2015-05-25 by JackHV

Although usually works well , disasters like the 1985 earthquake are difficult tests to overcome. I'm not sure what is going to happend here, because energy costs are raising, and there's no policy to improve it. ![Electricity infrastructure, Mexico city][1] [1]: https://edxuploads.s3.amazonaws.com/14325950072912515.jpg