Describir: The construction of Gothic cathedrals :

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