The image depicts a classroom scene in Sofia, Bulgaria

The image depicts a classroom scene in Sofia, Bulgaria. In the immediate foreground, a blurred human hand is visible, with the middle finger extended upwards, directed towards the classroom. The background reveals an adult female instructor, with wavy brown hair and glasses, wearing a striped shirt, standing and writing mathematical formulas and diagrams on a large white whiteboard with a black marker. Cyrillic text and numerical values, including "PC 16" and "22=2.1", are visible on the board. Several students are seated at wooden desks with metal frames and red plastic chairs. One male student in the midground wears a black long-sleeved shirt featuring a white circular graphic on the back and black athletic pants with a white logo. Another male student to his right, with dark, curly hair, is also seated at a desk where an orange and blue energy drink can (consistent with Hell Energy Drink) is placed. Partially visible on the far right is a student wearing black pants and white Nike Air Force 1 sneakers, with a black backpack resting on the floor beside their desk. The classroom walls are painted light cream at the top and light green at the bottom. Three framed pictures are mounted on the left wall: two black-and-white landscapes and one larger, colorful artwork. A green potted plant sits on a shelf below these pictures. Above the whiteboard, a multi-panel educational poster with Cyrillic text and images related to food and nutrition is displayed. The floor is covered with light-colored wooden or laminate planks. The room appears brightly lit, likely by natural light.