Abroad, they have covered pretty much all subjects, explored every possibility, every twist. So similarities between ideas you have and those filmed abroad are quite possible.
An attempt at visualizing the Fourth Dimension: Take a point, stretch it into a line, curl it into a circle, twist it into a sphere, and punch through the sphere.
I have on my table a violin string. It is free to move in any direction I like. If I twist one end, it responds; it is free. But it is not free to sing. So I take it and fix it into my violin. I bind it and when it is bound, it is free for the first time to sing.
I have seen, the desperation and disorder of the powerless: how it twists the lives of children on the streets of Jakarta or Nairobi in much the same way as it does the lives of children on Chicago 's South Side.