Describir: The structural architecture of Chicago

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