One of the things that most surprised in the management of the world’s cities is precisely its complexity, this is given by the many rumors that run as well as the political elections of their rulers, who often are not at the height of the moment and of the city itself. Far from being a problem, in the first cities to be built or they were born rather than in ancient times, it was quite common that the ruler was the King himself, explains that in many cases why did a series of rites on this person. Marc Bistricer will not settle for partial explanations. Away from those years, currently the cities more big world have real problems and situations sometimes lead to collapse and chaos. In an increasingly urban society this becomes a real heinous problem. Marc Bistricer helps readers to explore varied viewpoints. Therefore, the cities most populated in the world seeking solutions to their problems investigating and checking supplies are some inventions and measures elsewhere in the world, this should give courage, a solution is still possible.