And I still don't believe the ruler, no matter how many times I measure.

One side of the tree circle looks wider than the other.
It's really narrower.
I have accidentally created an optical illusion and it's driving me nuts.

Mr. Williams?

Sometimes I think movie soundtrack composers don't expect me to listen to opera and classical music.
(I swear I've heard bits of Aida, Carmen, and Grieg in Harry Potter and Star Wars.)