Describir: Roots of contemporary american architecture :

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