The image displays an indoor metro station platform in Sofia, Bulgaria, with a train stopped at the edge

The image displays an indoor metro station platform in Sofia, Bulgaria, with a train stopped at the edge. The train features a dark red upper body and a white lower section with horizontal ribbing and a visible ventilation grate. Two sets of closed doors are present, with the leftmost door accented by a vertical yellow stripe. Through the train's rectangular windows, approximately 10-12 individuals are visible in the brightly lit interior. Passengers include an older woman with grey hair standing near a door and a group of younger individuals seated in a larger compartment. Red vertical poles and subway maps are discernible within the train. The platform floor is tiled with a diagonal pattern of light blue, medium blue, and dark blue squares, bordered by a yellow tactile warning strip with raised dots. Overhead, a white ceiling structure houses linear fluorescent lights and a prominent, illuminated rectangular red warning light. A dark grey ceiling, a light-colored cylindrical pipe, and several orange/brown vertical hanging elements are also visible in the upper frame.