For example, 2: The canteen of Christian College of Oxford University in Harry Potter. Christian College, founded in 1524, is the largest and oldest college in Oxford University. There are too many intensive ideas and tricks in the life of Harry Potter, the protagonist of the film's ten-year story, which often sprout and protrude in this big dining hall. The prototype of this restaurant in the movie is still the Christian College canteen of Oxford University, a world-famous university, also called the auditorium. The canteen of the Christian College of Oxford University is the most important part of the college, and it is still used as the canteen for students.