The image depicts an indoor scene at a public transportation facility, likely a metro station, in Sofia, Bulgaria

The image depicts an indoor scene at a public transportation facility, likely a metro station, in Sofia, Bulgaria. In the foreground, a stainless steel turnstile features a flat top surface and a red illuminated light strip, indicating its status. A dark, ruggedized smartphone, bearing "Zebra" branding, is held in the lower right, displaying a QR code on its screen along with a "Check-in" button. A second identical smartphone, also displaying a QR code, rests flat on the turnstile's surface. The lower body of a person, including a dark shoe and a bag with white text on blue/purple fabric, is visible in the bottom left foreground, positioning them to interact with the turnstile. In the background, another stainless steel turnstile with rotating arms is partially visible, with a person standing nearby. The floor is uniformly light-colored.