Ключевые слова: adult, airport, arrival, back, backpack, backpacker, behind, city, electric, elevator, escalator, female, friends, group, indoor, indoors, interior, journey, leaving, mall, metal, metro, movement, moving, passenger, people, person, platform, public, railway, rear, staircase, stairs, stairway, station, subway, terminal, transportation, travel, trip, underground, up, walkway, woman, women,