Mirrors inserted into glass blocks. The clouding in the mirrors is done for rendering! In the scene - the mirrors reflect normally.
Rectangular mirror with sharp corners has tinting!
Mirror sizes:
Rectangular small - 600x180x1350
Rounded middle - 800x180x1760
Rounded large - 1600x180x1400

For faster rendering, uncheck the Caustic (slow) parameter in the Refraction material settings.

Link to mirrors - https://sabourincostes.com/portfolio/ohm-mirrors/