https://www.youtube.com/watch?v=iBP1Drlsr1Q

Tango is a 1981 Polish animated short film written and directed by Zbigniew Rybczyński. It won the Academy Award for Best Animated Short Film at the 55th Academy Awards The film depicts an initially empty room. A ball bounces in through the window, and a boy enters to retrieve it and leaves. This series of actions repeats over and over, gradually accompanied by more and more repeating paths of different people through the room.

 

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