Ключевые слова: blue, bus, business, cabin, carriage, city, coach, comfortable, commuter, coronavirus, covid19, empty, express, fast, handrail, indoors, inside, interior, journey, metro, metropolitan, modern, motion, no people, nobody, passenger, platform, public, rail, railroad, railway, seat, service, speed, station, subway, technology, traffic, train, tram, transit, transportation, travel, trip, tube, underground, urban, vehicle, virus, wagon,