Visualization showing the flow of first 10,000 digits of Pi, revealing how the number Pi looks like.

Circle is divided in 10 segments, from 0 to 9. Then path is traced, going from the third segment to the first segment. From 1, the path jumps to 4, then back to 1, then 5 and so on. After a while, Pi appears in front of your eyes. The final illustration is beautiful.