Three young adult males, all wearing white lab coats, are depicted in a brightly lit laboratory setting within Sofia, Bulgaria

Three young adult males, all wearing white lab coats, are depicted in a brightly lit laboratory setting within Sofia, Bulgaria. The individual on the left, wearing glasses and a yellow shirt beneath his coat, stands and operates a black scientific calculator. The central figure, seated at a white laboratory bench, wears a grey turtleneck and writes on papers, holding a white pen; a smartphone is positioned nearby. The third individual, to the right, stands and examines documents on the bench while wearing a striped shirt under his lab coat. The white laboratory bench surface in the foreground and midground is covered with open spiral-bound notebooks containing handwritten mathematical and chemical formulas, loose papers featuring graphs and calculations, and a black pencil case. In the background, various laboratory equipment is visible, including a large stoppered glass bottle containing a yellowish-green liquid, a burette apparatus with a rubber bulb and tubing, smaller reagent bottles on a shelf, and a wall-mounted power outlet with a plug inserted. A large brown piece of equipment is also present on the far right of the bench. The room features plain white walls, square fluorescent ceiling light panels, and a window with white blinds in the background, collectively presenting a clean, organized, and functional scientific or academic environment.