The film is noted for its breezy, "globe-trotting" feel, with filming taking place in several iconic locations:
Used as the backdrop for Roy’s "paradise island" hideout. Knight and Day
He refers to the battery as a self-generating energy source as powerful as the sun, hence "day." Additionally, his true last name is revealed to be Knight. Production and Global Locales The film is noted for its breezy, "globe-trotting"
A major motorcycle chase through the streets of Seville includes a "running of the bulls" sequence. hence "day." Additionally
Roy hides the high-tech battery inside a small plastic figurine of a medieval knight.