Ключевые слова: carriage, chair, class, comfort, comfortable, coronavirus, distance, empty, express, horizontal, in a row, indoor, inside, interior, journey, long, modern, new, no people, nobody, open, passenger, public, public transport, public transportation, quarantine, rail, railroad, railway, ride, row, seat, traffic, train, transport, transportation, travel, traveling, trip, vehicle, voyage, wagon, window,