Graphics glitch on top of "Bunker Skarvan" (see through ground)

[ShadowHunter]

Platform:
PC

Steps To Reproduce:
Go on top of the south entrance of “Bunker Skarvan”.

Images / Videos:

Host or Client:
Client

Players in your game:
No

Specifications:
AMD Ryzen 7 1700X + GTX 1080 + 16 GB RAM + WIN 10 Home 64Bit

[ANXATTK]