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Usmiech Zebiczny (Teeth Smile) is Roman Polanski's second short film at the State Film School in Lodz, Poland. A man is descending a staircase and he stops at a window to stare at a topless woman washing in front of a bathroom sink. She doesn't see him because she has a towel on her face. The man smiles and continues to walk down the stairs, but he returns for one more look out the window. This time there is a clothed man brushing his teeth at the bathroom sink.