I do believe that enduring geological features are important, though I don't think I can be clear about exactly why.
I began demonstrating against serious culture. In hindsight, the actual course of events has been very humiliating for me, because no one picked up on the intellectual critique I made.
Like anywhere, we had to make people understand that we were there with good intentions, and that we were there with respect. We started making contacts with the people in the neighborhood three months before shooting began, so that everyone involved was comfortable.