Describir: Roots of contemporary american architecture :

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