Pixar animation started in 1979 in California and has produced 10 feature films including the Toy Story and Cars franchises. Ancient animations from 5200 years ago were found carved into stone in Iran. Animation involves displaying a series of still images in sequence to create the illusion of motion. Popular animation studios include Walt Disney, Pixar, Warner Bros, and 20th Century Fox. Tim Burton is known for his dark films like The Nightmare Before Christmas and Edward Scissorhands. The process of creating animated characters involves storyboarding, character design, sculpting, rigging for motion, set design, animation, shading, and use of digital lighting.