This image depicts the interior of a classroom in Karlovo, Bulgaria, observed from a seated student's perspective

This image depicts the interior of a classroom in Karlovo, Bulgaria, observed from a seated student's perspective. In the immediate foreground, a clear plastic water bottle, approximately half-full, stands upright on a light wooden desk. The bottle features a white screw cap and a label in Bulgarian, indicating a 1.5 L volume and "ФИЗИКО-ХИМИЧЕН АНАЛИЗ" (Physico-chemical analysis), alongside a QR code. To the left of the bottle, an open textbook with printed text and diagrams rests on the desk. Parts of two blue ballpoint pens are visible on the desk surface. In the midground, the back of a person wearing a dark brown hooded sweatshirt is prominently featured, seated at a wooden desk. To their right, another student, seen from the back, wears a dark jacket and holds a pen, appearing to write on paper placed beside a smartphone on their desk. Additional students are visible further back and to the left, all seated at desks. The background reveals a classroom environment with light yellow walls. A large whiteboard covered in handwritten notes, possibly equations or diagrams, is mounted on the far wall. Above the whiteboard, a flat-screen monitor displays a list or document. To the left of the monitor, decorative word art on the wall spells out "EDUCATION" and "MOTIVATION". To the right, "FOCUS" and "EXCELLENCE" are visible. Natural light enters the room through a large window on the left. A security camera is mounted high on the left wall. Standard classroom furniture, including multiple wooden desks and chairs, is arranged throughout the space.