The image depicts an interior view of a university lecture hall or large classroom in Sofia, Bulgaria, observed from the middle of the room looking towards the front

The image depicts an interior view of a university lecture hall or large classroom in Sofia, Bulgaria, observed from the middle of the room looking towards the front. Approximately 10-15 individuals are present. At the front of the room, a male instructor with dark hair and a beard, wearing a dark blue long-sleeved shirt, stands behind a wooden podium with a light-colored top surface. A clear bottle is on the podium. Behind him, three large whiteboards are mounted horizontally on a light beige wall. The two visible whiteboards contain handwritten mathematical formulas and diagrams in black and blue markers. Above the whiteboards, a rolled-up projector screen is visible, with a white projector suspended from the ceiling by a long, multi-jointed metallic truss structure extending from the left wall. A white wall-mounted air conditioning unit is on the left wall. In the foreground, a male student with short hair, wearing a light blue long-sleeved shirt, is seated with his back to the camera at a light-brown wooden desk with a black metal frame. A black tablet lies flat on his desk, next to a blue rectangular pencil case with a black zipper, bearing partially visible text "XAND". To his right, a female student wearing a light green/teal hoodie is seated, facing away from the camera, with her head resting on her folded arms on the desk, appearing to be asleep or resting. Papers with handwritten notes are on her desk. Further back, additional young adult students are seated at similar wooden desks, primarily facing the instructor. One male student in the background on the right wears an orange top. Natural light streams into the room from tall windows with horizontal blinds on the right side, illuminating the upper portion of the wall. The ceiling features a white panel grid system with square fluorescent light fixtures. The floor under the desks is a light brown, possibly ribbed linoleum or wood-like material. A clear plastic water bottle is visible on the floor under a desk. In the immediate right foreground, a silver-colored object, possibly glasses, is visible on a desk.