There are the further difficulties of building a population out of a diversity of races, each at a different stage of cultural evolution, some in need of restraint, many in need of protection; everywhere a bewildering Babel of tongues.
I'll say this, I'm no stranger to working with a foreign cast, foreign directors, that sort of thing. I love it, because I think that when you have people from different countries, it sort of brings everyone together, it's more of a worldly film.
Most of us who aspire to be tops in our fields don't really consider the amount of work required to stay tops.