Ключевые слова: air, alarm, avoid, background, barrier, city, clean, closeup, copyspace, covering, danger, day, environment, epidemic, face, facial, fever, flu, girl, health, human, infection, lifestyle, mask, mouth, one, outdoor, outside, pandemic, people, person, prevent, prevention, protect, protection, protective, ready, safe, safety, sickness, stand, street, urban, virus, wearing, woman, women, young,