KinoPoisk's Film Analyses S01 E02 How Is The Movie "1917" Shot And What Is The Secret of Continuous Shots

How is cameraman work arranged in the movie "1917"? Why did Sam Mendes decide to make a film about the First World War in such a way as to create a sense of one continuous shot? How was a long shot used in cinema and what tasks does it perform in "1917"? And why the film was not just a technically perfect creation of the cameraman Roger Dickins, but a very personal and humanistic statement?