Ключевые слова: access, accessibility, background, blur, channel, check, city, enter, entrance, entry, exit, gateway, interior, leave, light, line, machine, metro, modern, mtr, pass, passage, passenger, people, portal, public, rail, railway, row, security, skytrain, speed, standby, station, subway, technology, ticket, train, transportation, travel, traveling, underground, urban, way,