There was a Roman priesthood whose job was to perform a specific dance and chant around sacred shields. Since this ritual was unchanged for centuries, later Romans had no idea what the ritual actually meant while still continuing the tradition. 10
If you’re flying aboard a spaceflight leaving from Baikonur Cosmodrome in Kazakhstan…
If you’re flying aboard a spaceflight leaving from Baikonur Cosmodrome in Kazakhstan, you’ll be ordered to pee on the back-right tire of a bus. It’s tradition.