interior of a public transport vehicle, specifically a passenger door likely within a metro car in Sofia, Bulgaria

interior of a public transport vehicle, specifically a passenger door likely within a metro car in Sofia, Bulgaria. The central feature is a closed sliding door with a dark glass panel, to which a white rectangular paper sign is affixed with black tape. The sign displays the Bulgarian text "Врата не работи!!!!" (Door does not work!!!!). To the left of the door, on a grey panel, are two official warning signs: a yellow triangular sign with a black pictogram of a person falling, and below it, a red rectangular sign. The red sign contains white text in both Bulgarian and English, stating "Не отваряйте ръчно по време на движение" / "Do not open manually during operation" and "Не се облягайте на вратата" / "Do not lean on the door." Below these signs, a white, recessed door release or activation button/handle is visible. A blurred reflection of a person, presumed to be the photographer, is visible in the dark glass of the door, showing a dark upper garment and a lighter, possibly patterned, lower garment, with a hand raised near the face.