Ключевые слова: a lot, amsterdam, billboard, business, busy, city, close, closed, corona, coronavirus, crowd, dappermarkt, disease, down, due, dutch, europe, european, famous, group, historic, holland, information, lock, many, market, netherlands, no contact, outbreak, outdoor, outdoors, outside, panic, people, place, preventing, prevention, rivm, road, shop, sign, store, street, streets, tourism, traditional, travel, virus,