1. What was the hardest part in planning for the film?
2. How long did it take to film?
3. Did it go according to what was planned? If not, how did Vladimir go around it.

Karst, terrain usually characterized by barren, rocky ground, caves, sinkholes, underground rivers, and the absence of surface streams and lakes.

I really liked how the title was very direct in telling viewers what it was about. However, the way that it was filmed was a very interesting way of filming documentary. I liked the parts where he overlayed the music of the boy singing with the sound of construction. It showed the tension between harmony and separation of the ground.