Describir: The construction of Gothic cathedrals :

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