Describir: The construction of Gothic cathedrals :

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