On a superflat world villages are spinning around and this giant pink thing is floating and a giant book this is well i dont really know

Put the summary of the bug you're having here

What I expected to happen was...:
I was gonna make a runway for my wings.
What actually happened was...:
Look at attached files.

1.Start superflat world
2. watch
3. ( ͡° ͜ʖ ͡°)