The earliest movies were of such low quality that audiences today wouldn't even be able to watch them without complaining. And yet, rumor has it that audiences watching L'Arrivée d'un train en gare de La Ciotat in 1895 were terrified by the titular train and began rushing for the exit. Film resolution is a matter of perspective — what was impressive in the 20th century looks extremely pixelated today.
Source：https://www.cbr.com/best-4k-movies/
