interior of a subway car

interior of a subway car. The focus is on the double doors, which are light blue with black frames. Each door has a rectangular window with a black frame. Inside each window, there is a warning sticker with text in Russian and English. The sticker features a silhouette of a person leaning on a door with a red circle and slash over it, indicating "Do not lean on door." Below that, there is another silhouette of a person and text that translates to "When leaving the car, do not forget your belongings." Through the windows, the inside of the subway car is visible, including white ceilings, metal poles, and other seats and doors in the distance. A red and blue diagram of subway lines is visible on the ceiling above the doors. The lighting appears to be artificial, typical of an indoor transit environment.