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

             ___     ______     _____    __   _     ______   _____    
    ___     / _ \\  |      \\  |  ___|| | || | ||  /_   _// |  __ \\  
   /   ||  / //\ \\ |  --  //  | ||__   | '--' ||   -| ||-  | |  \ || 
  | [] || |  ___  |||  --  \\  | ||__   | .--. ||   _| ||_  | |__/ || 
   \__ || |_||  |_|||______//  |_____|| |_|| |_||  /_____// |_____//  
    -|_|| `-`   `-` `------`   `-----`  `-`  `-`   `-----`   -----`   
     `-`                                                              
  _____   
 |  ___|| 
 | ||__   
 | ||__   
 |_____|| 
 `-----`