I've heard that the 5-hour edit is just a combining of the 3 films that wasn't even approved by the directors themselves. In other words, it's just in the order of IA II, then half of IA III, then IAI, then the other half of IA III, right?
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My blog on Asian films - http://thegoldenrock.blogspot.com/
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"So one day we may find ways to get this Chinese guy some groove"