Original sentence: In 1955, Disneyland in Anaheim, California revived the amusement industry with its themed lands and matching attractions instead of using the older formula with traditional rides in one area and a midway, concessions, and sideshow attractions in another.The idea of theme parks caught on and, by the 1980s, became a billion dollar-a-year industry in the United States and around the world
Edited sentence: Fortunately, the 1955 opening of Disneyland in Anaheim, California changed the amusement industry forever with its themed lands and matching attractions instead of simply copying the older formula of having traditional rides in one area and a midway, concessions, and sideshow attractions in another.Slowly, the idea of theme parks caught on and, by the 1980s, became a billion dollar-a-year industry in the United States and around the world