I Wish I Knew is a 2010 Chinese documentary film directed by Jia Zhangke. It was screened as part of the Un Certain Regard section of the 2010 Cannes Film Festival.
| Release Date | Friday, January 1, 2010 |
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| Country | China |
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| Language | Mandarin |
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| Category | Movies |
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| Running Time: | 125 minutes |
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