Describir: The preservation of color films :

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