The image depicts the interior of a classroom located in Devin, Bulgaria

The image depicts the interior of a classroom located in Devin, Bulgaria. Three individuals are present: one adult female and two young adult males. A woman with dark, wavy hair, wearing a light tan blazer over a pale yellow top, stands near the front of the classroom, facing partially towards the left. Her right arm is slightly bent at the elbow, with her hand gesturing outwards. Seated at a wooden desk with a red frame in the mid-ground on the left, a male student with dark hair and wearing a blue and black jacket is looking towards the standing woman. In the immediate foreground, the back of a second male student, wearing a grey hooded sweatshirt, is visible as he sits at a desk, facing away from the camera towards the front of the classroom. The classroom features light-colored walls and a white ceiling fitted with multiple exposed fluorescent light tubes. Along the left wall, large windows with light brown sheer curtains provide a view of the exterior, showing urban buildings with red roofs, green trees, and distant mountains under a partly cloudy blue sky, consistent with a mountainous town setting. On the right-hand wall, a large whiteboard is covered with mathematical equations and inequalities written in marker, including expressions such as "3x²-x+6 > 0" and "log|x²+6x+8| > log|x+2|(x+3)". Above the whiteboard, a square analog wall clock displays a time of approximately 10:45. To the upper right of the clock, a framed portrait of a bearded man is mounted on the wall. Additional papers and smaller images are affixed to the wall near the whiteboard. Desks are arranged in rows, with books, papers, and personal items, including a black bag, visible on their surfaces. The room is illuminated by both natural light from the windows and artificial light from the ceiling fixtures.