Continent Europe and Asia together as a single continent, dubbed "Eurasia". In this model, the world is divided into six continents, with North America and South America considered separate continents. Geologists use the term "continent" in a different manner from geographers. In geology a continent is defined by continental crust: a platform of metamorphic and igneous rock, largely of granitic composition. Some geologists restrict the term 'continent' to portions of the crust built around stable Precambrian "shield", typically 1.5 to 3.8 billion years old, called a craton. The craton itself is an accretionary complex of ancient mobile belts (mountain belts) from
The Greatest Show on Earth (film) Earth" was the first film that director Steven Spielberg saw and he credits it as one of the major inspirations that led him into a film career. He pointed out the film's train crash scene as a major influence, and this influence was later reflected in the 2011 science fiction film "Super 8", which he produced. In Steven Spielberg's remake of "The War of the Worlds", an early scene shows two kids channel-surfing on their television, and the train-wreck scene from "The Greatest Show on Earth" is being broadcast. The Greatest Show on Earth (film) The Greatest Show on Earth