The image displays an interior scene of a university classroom in Sofia, Bulgaria, during a lecture or study session

The image displays an interior scene of a university classroom in Sofia, Bulgaria, during a lecture or study session. In the immediate foreground, positioned on a light brown wooden desk, rests an open silver Monster Zero Sugar energy drink can. Beside it is a triangular black cardboard food container from "BALKAN SANDWICHES," clearly labeled with "ПРОТЕИНОВ С ПИЛЕ И БЕКОН" (Protein with Chicken & Bacon) in both Cyrillic and English, and featuring graphics of a flexing bicep and a chicken. A pink, multi-color click pen with black patterns lies horizontally on white papers beneath these items. The midground features multiple students seated at wooden desks, arranged in rows and facing the front of the classroom. Most students are visible from behind or the side; a student on the far right is actively engaged in writing. The background reveals the front of the classroom. A large white projection screen displays a mathematical presentation, including diagrams with circles and equations. Below the screen, a female instructor is seated at a table. To the right of the screen, a whiteboard shows faint markings, and dark wooden cabinets are visible. On the left side of the room, a window with horizontal blinds provides a glimpse of a pale exterior, and coat hooks hold dark garments. The ceiling is white, equipped with multiple suspended rectangular fluorescent light panels and a white ceiling-mounted projector.