If the garden in which Missy meets the Half-Face man looked familiar, that's because it is. The BBC loves a good set recycle, and those practical economics have the garden appearing in at least three other instances within the Whoniverse. In Torchwood, Gwen and Rhys get married and fight aliens there, and in an episode of The Sarah Jane Adventures, Rani and Clyde go dashing through the same spot. Appearing in the show proper, Amy Pond looks out on the same scene as Missy, though Amy sees it not quite in full bloom. Vegetation levels and characters may vary, but those white columns and fountain remain the same. And speaking of reappearances...