Uploaded on 2015-05-13 by Daniels055

Daily, many hundred of people transport since the municipios of Mexico State to Mexico DF, to work during the day and in the afternoon they return to home. Mexico DF is the biggest market of the country because here live around 20 millions of people, so many merchandises arrive here to distribution and consumption. So in this context, the flows of exchange of persons and merchandises is generated daily and the stocks are changing so fast. In the picture, the Metro of Mexico City... a transport used for millions of people daily.![ingrese la descripción de la imagen aquí][1] [1]: https://edxuploads.s3.amazonaws.com/14315554925876.jpg