Good films always raise compelling questions, whether the format is fiction or documentary fact.
View MoreThis is a must-see and one of the best documentaries - and films - of this year.
View MoreWhile it doesn't offer any answers, it both thrills and makes you think.
View MoreI think this is a new genre that they're all sort of working their way through it and haven't got all the kinks worked out yet but it's a genre that works for me.
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