This image displays the interior of a public transit bus, situated in the city of Pernik, Bulgaria

This image displays the interior of a public transit bus, situated in the city of Pernik, Bulgaria. The perspective is from the mid-cabin, facing towards the front. The bus is largely unoccupied, with rows of seats visible. In the foreground, seats are upholstered in red with grey plastic frames. Further back and along the right side, seats are dark grey with similar frames. Yellow, curved metal grab poles extend from the floor to the ceiling, accompanied by grey hanging straps for standing passengers. The ceiling is light grey with perforated panels, featuring integrated lighting and a central ventilation system. Natural light enters through large windows lining the sides of the bus. Through the windows, an urban environment is visible, including bare trees, buildings, and street elements. A red octagonal stop sign is discernible on the left side, and a sign partially displaying "DHL" is visible through the window on the right. A small, black device, possibly a security camera or monitor, is mounted near the front-right ceiling. A red circular call button is affixed to one of the yellow poles. Indistinct human silhouettes are faintly visible in the far background through the windows or seated distantly. No explicit actions or interactions are occurring within the visible frame. The bus appears to be either stationary or in motion within an urban setting under bright daylight conditions.