Which way does it turn?
Both. With no depth in the lines, a left turn and a right turn are the same picture. Late in each loop the near edges brighten and the question settles.
One sea, four hours
The same waves in every band. Only the sun moves: 47.6 degrees north, the longest day.
- 06:00
- 12:30
- 18:18
- 19:42











