interior of a modern subway train carriage in Sofia, Bulgaria

interior of a modern subway train carriage in Sofia, Bulgaria. Several passengers are seated and standing, with a majority of them looking at their phones. The train carriage has grey flooring and seats, with blue vertical poles for support. The lighting is bright and fluorescent. On the far left, a man in a light blue shirt is standing and looking down. In the foreground, a woman with long, curly brown hair is wearing a straw hat and a floral dress, holding a blue plastic water bottle. To her right, another woman in a black and white shirt is using her phone. Further down the carriage, other passengers are visible, some seated on benches and others standing. The overall atmosphere appears to be one of quiet travel, with most passengers engrossed in their personal devices.