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

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