sentences:  The monsters in the film and its sequels, such as "Dawn of the Dead" (1978) and "Day of the Dead" (1985), as well as many zombie films it inspired, such as "The Return of the Living Dead" (1985) and "Zombi 2" (1979), are usually hungry for human flesh, although "Return of the Living Dead" introduced the popular concept of zombies eating brains.The "zombie apocalypse" concept, in which the civilized world is brought low by a global zombie infestation, has since become a staple of modern popular art.After zombie films such as "Dawn of the Dead" and Michael Jackson's music video "Thriller" (1983), the genre waned for some years.