Put the summary of the bug you're having here

What I expected to happen was...:
N/A

What actually happened was...:
As seen in the images the caves and above ground spectated from below had wierd graphical issues making it quite difficult to see what was actually happening both above an below ground while in Spectator mode.

Steps to Reproduce:
1. Create New World. (Normal World Gen)
2. Head into Spectator Mode.
3. Go Underground.