Andrei Tarkovsky made a profound contribution to cinema by developing a unique poetic and spiritual approach that emphasized the subjective experience of time and the search for existential meaning. Through his masterful use of long takes, dreamlike imagery, and integration of paintings and other art forms, Tarkovsky created films that transcended conventional storytelling to explore the "inner voice of humankind" and reveal what he called "hieroglyphics of absolute truth"
Going to their YouTube profile https://www.youtube.com/@Mosfilm_eng one can find many other important films. There are 120 entries in their "Full movies with English subtitles" playlist: https://www.youtube.com/playlist?list=PL7EqAsBxqGggrcgR5EkZm...