Ключевые слова: 169 format, 2020, bacteriological, biological, city, city center, city street, cityscape, clean, cleaning, contagious, corona, corona virus, coronavirus, covid19, dangerous, disease, disinfecting, disinfection, emergency, epidemic, equipment, health, illness, infection, lockdown, mask, outdoor, outdoors, pandemic, people, precaution, protection, protective, public service, quarantine, safety, sanitation, service, sports ground, spray, spread, sprinkle, street, suit, team, urban, virus, web banner, worker,