The image depicts the interior of a classroom in Varna, Bulgaria, during what appears to be a lecture or lesson

The image depicts the interior of a classroom in Varna, Bulgaria, during what appears to be a lecture or lesson. The perspective is from a student's desk in the foreground, looking towards the front of the room. The classroom features light-colored walls and a light-colored ceiling with rectangular fluorescent light fixtures. Large windows on the left side, covered partially by light-brown curtains, admit natural light. A radiator is visible beneath the windows. At the front of the room, a white interactive whiteboard displays handwritten text and diagrams, illuminated by a ceiling-mounted projector. A reddish-brown door is visible on the right side of the back wall. Approximately 10-15 individuals, primarily young adults or teenagers, are seated at wooden desks with green tops, arranged in rows facing the whiteboard. Most are wearing casual attire, with several visible in hoodies (including a lime green, a light blue with white script, and a white with black graphics). A person, likely an instructor, is partially visible near the whiteboard at the front. In the immediate foreground, an open, lined notebook with handwritten notes in Cyrillic script, including mathematical or scientific formulas, rests on a green-topped desk. A silver pen lies on the notebook. A black glasses case is positioned to the right of the notebook. To the right of the glasses case, a hand holds a black smartphone, which is illuminated and displaying an image or application. A bottle of "Devin" brand mineral water is visible on the desk, positioned directly in front of the smartphone. Students in the midground are seated, generally facing the front of the classroom. One student in a black hoodie on the far right is observed with an object in their hand, looking towards the front. The overall scene suggests an active learning environment, with some students engaged and others potentially distracted by personal devices.