Multiple Mirror Effects in Movies

Divergent (2014)

Spoiler Alert !

Some of these pictures and descriptions may give away plot details that you might not want to know before watching the film.
 
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In a future dystopian Chicago, society is divided into six social groups - five factions plus the outcasts who belong to no faction. Beatrice is a young woman born into the Abnegation faction, whose members prize selflessness and restrain from looking into mirrors because they reject vanity. At age 16 she takes a placement test to find out which of the five factions she belongs in. She drinks some liquid then finds herself in a simulation in a large space full of mirrors with thousands of reflections of herself. She learns that she is Divergent - belonging to no single group - which is not allowed.

Watch the scene on YouTube.