1. Load this world: https://vrchat.com/home/world/wrld_0e6bac6c-2a2a-498f-ac57-4fe7e80bfd83/info
  2. Zoom your 3rd-person camera out all the way
  3. Notice that you can see the galaxy skybox
  4. Turn your camera 90 degrees
  5. Notice that the camera now stays
    inside
    of the room
  6. Continue turning at will; notice that when a "default layer" wall is at your back, the camera is inside the room, but when a "custom layer" wall is at your back, the camera can see the skybox