The image captures an interior view of an indoor swimming complex, identified as the National Sports Base - Swimming Complex "Sportna Sofia ZONA 5" in Sofia, Bulgaria

The image captures an interior view of an indoor swimming complex, identified as the National Sports Base - Swimming Complex "Sportna Sofia ZONA 5" in Sofia, Bulgaria. The facility features a large multi-lane swimming pool delineated by colored lane ropes (yellow, blue, red), with starting blocks positioned at the far end. A digital scoreboard displaying numerical data is visible on the left wall. The far right wall displays a logo for "Национална спортна база" alongside a Bulgarian flag and an additional flag. The ceiling is vaulted or suspended, featuring a reflective, light-toned finish that mirrors overhead strip lighting. Several rectangular ventilation grilles and exposed wires/cables are visible on the ceiling. Walls are light-colored, accented by a horizontal yellow stripe near the top. In the foreground, green and white plastic spectator seating rows are partially occupied by personal items, including multiple swim bags (one branded "arena") and plastic water bottles (one labeled "DE"). Approximately 50 to 70 individuals, consisting primarily of adults and teenagers, are dispersed throughout the scene. Many are dressed in athletic apparel, including swimwear, tracksuits, and team uniforms. Several individuals wear yellow t-shirts with "ФЕНИКС" (FENIX) printed on the back. People are standing on the pool deck and in the adjacent viewing area, engaging in conversations, observing the pool, or preparing for activity. The overall scene indicates an ongoing or impending swimming competition or training event.