Russian Films of 21st

What about relatively new rated or underrated Russian films?

What about relatively new rated or underrated Russian films? I'll give you a few examples of such films starting from the beginning of 21st - these films are primarily festival ones, some of them are more famous than others:
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"Russian Ark" (2002) by Alexander Sokurov, the very first film to be shot with one continuous shot, which already makes it interesting from the technical aspect, and I hope that the name of Sokurov doesn't need any introductions;

Oksana Belousova

CEO & Founder of MY KINOROOM, Film Director

"The Return" (2003) a debut by Andrey Zvyagintsev, which is still considered to be the best of his filmography despite the world fame that other films brought to him;
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"Euphoria" (2006) by Ivan Vyrypaev is a very striking and strong artistic statement;
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"Test" (2014) by Alexander Kott, imho it's Kott's best film ever made, since it reflects his unique artistic style that was so remarkable in his very first short works;
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"A Russian Youth" (2019) antiwar manifesto debut by Alexander Zolotukhin, a graduate of Sokurov's filmmaking workshop.