Hi,
I saw 3 possible reasons :
1. try to change the aerial view to virtual view or virtual in aerial.
2. The observer is in a wall and all is grey, you must to move it.
3. Your file is too heavy and your PC cannot visualize the rendering (try with another smaller file).
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Evil progresses when good people do nothing!
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SH3D 7.1 and nothing else - W11 64b in 4K
