The story of "Lightning" McQueen takes place on the side of the most historic "Route 66" (Ruote 66) in the United States. Before the production of the film officially started, with the help of historian Michael Wallis, John Lasseter led the creative team to conduct a nine-day examination of "Route 66" in real life. In Lasseter's In my memory, when I was a child, I used to travel with my parents on "Route 66" and drove from California to St. Louis's grandparents' house. This is an experience that almost every American child has, because of "Route 66" itself. It represents the longest road trip you can choose in the United States: driving from downtown Chicago, from the center to the southwest, crossing the endless Mojave Desert, and arriving at the Pacific coast of Santa Monica. This America The most famous interstate highway in history, with a total length of 4,000 kilometers, Wallis has studied this highway known as the "bus line" for more than 60 years. The most important and historically significant section of the road, and re-recognize its place in the hearts of the American people. "Route 66" is like a mirror, reflecting the various historical changes that have occurred in the United States: the second world During the war, "Route 66" was once regarded as a military route for the transportation of military supplies. At the same time, it was also the "Country Road" that country singers have been singing. It has been passed down from the ancestors of the United States. People who have lived in the United States, no matter how much you know about it, have more or less accepted the blessings brought by "Route 66". It has a sacred meaning like a totem, as long as you walk on it, Your mind will be purified unconsciously, and people will become sacred.