A guard would be on one side of this glass with a rifle - the glass offered a view of the cafeteria.

Creation Date: 2019-07-28 13:45:04
Modification Date: 2019-07-30 09:23:40
Camera: NIKON CORPORATION / NIKON D5100
Lens: Nikon AF-S DX VR Zoom-Nikkor 18-55mm f/3.5-5.6G
Aperture: f/5.3
Focal Length: 44 mm
Exposure Time: 0.016666666666667
ISO: 3200
MeteringMode: 5