 "Xiyoubu" (西遊補 - "Supplement to the Journey to the West", 1640) - A Ming dynasty addendum to the famous Chinese novel "Journey to the West", which takes place between the end of chapter 61 and the beginning of 62.In the novel, The Monkey King faces a representation of his own carnal desires and is trapped inside of a tower full of mirrors, each with its own powers.One mirror causes him to travel forward in time, from the Tang to the Song dynasty.