Ключевые слова: banner, bar, board, business, cafe, cafeteria, coffee, coronavirus, covid19, door, empty, epidemic, europe, flu, frame, glass, hanging, health, information, interior, label, message, nobody, object, open, pandemic, protection, pub, public, quarantine, restaurant, retail, safety, service, shop, sign, signboard, store, street, symbol, tables, text, urban, virus, work,