Ключевые слова: background, buyer, cart, caution, closeup, control, corona, coronavirus, covid, covid19, disease, distance, distancing, epidemic, feet, floor, grocery, health, here, indoor, keep, legs, line, mall, man, market, measure, outbreak, pandemic, person, personal, prevent, preventive, protect, protection, public, queue, red, rule, safety, shop, shopping, sign, social, space, stand, store, supermarket, virus, warning,