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

  _____      ___                 ___                 ___              
 /  ___||   / _ \\    ____      / _ \\    ____      / _ \\    ____    
| // __    | / \ ||  |    \\   | / \ ||  |    \\   | / \ ||  |    \\  
| \\_\ ||  | \_/ ||  | [] ||   | \_/ ||  | [] ||   | \_/ ||  | [] ||  
 \____//    \___//   |  __//    \___//   |  __//    \___//   |  __//  
  `---`     `---`    |_|`-`     `---`    |_|`-`     `---`    |_|`-`   
                     `-`                 `-`                 `-`      
  _____   
 |  ___|| 
 | ||__   
 | ||__   
 |_____|| 
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