Describir: The modern metropolis. Its orings, growth, characteristics and planning :

  ____     _    _     _  _    _    _    __   __   _    _     ______    _____   
 |  _ \\  | || | ||  | \| || | || | ||  \ \\/ // | || | ||  /_   _//  |  ___|| 
 | |_| || | || | ||  |  ' || | || | ||   \   //  | || | ||  `-| |,-   | ||__   
 | .  //  | \\_/ ||  | .  || | \\_/ ||   / . \\  | \\_/ ||    | ||    | ||__   
 |_|\_\\   \____//   |_|\_||  \____//   /_//\_\\  \____//     |_||    |_____|| 
 `-` --`    `---`    `-` -`    `---`    `-`  --`   `---`      `-`'    `-----`