Harry Potter and the Prisoner of Azkaban Easter Egg - Y Tu Potter Tambièn

There is a scene in which Harry, Ron and Hermione return to Hogwarts after having seen Buckbeack's execution. At a certain point, Hermione hugs Ron and Harry hugs Hermione, exactely in the same way in which the protagonists of Y tu Mama Tambièn, a movie of the director Alfonso Cuaròn's, hug in a scene of that film.