Ключевые слова: 5 euro, air, air pollution, area, ban, car, city, co2, diesel, do not, driving, driving ban, engine, environment, environmental protection, exhaust, forbidden, fuel, german, germany, icon, law, mobility, no, not allowed, pollution, prohibited, prohibition, protect, protection, restricted, restriction, road, road sign, roadsign, sign, street, symbol, town, traffic, traffic sign, transport, transportation, zone,