Game of Thrones S00 E270 From Imagination to Reality: Inside the Art Department - Part 1

"Winter is coming."

Part 1 of an extensive featurette detailing the astonishing work of Production Designer Deborah Riley and her art department, dissecting the process behind the creation of season 7's incredible new sets, including Dragonstone, Casterly Rock, Highgarden, the Dragon Pit, and more.