Lighting Study: I used a additional arealamp in the window and one behind the camera to lighten up the room. Then i played with the settings of the nishita texture. Values in description. Textures from poliigon. Models from imeshh.
Base, all Values at 1
Animation
All Values at 0
Air 5
Air 10
Dust 5
Dust 10
Ozone 5
Ozone 10
Attitude 0
Attitude 10
Attitude 50
Sun Size 0.5
Sun Size 2
Sun Size 8
No Sun Disc
No Sun Disc, no additional Light
no additional Light