Del Toro is an Academy Award-nominated Mexican filmmaker whose films often explore the darker elements of fantasy and reflect his fascination with “insects, clockwork, monsters, dark places, and unborn things.” His most acclaimed films to date, Pan’s Labyrinth and The Devil’s Backbone, both feature children living under authoritarian rule while facing frightening supernatural entities and have been compared with what film, considered to be the finest Spanish film of the 1970s? Discuss