Ключевые слова: aged, balkans, bar, belgrade, beograd, break, catering, coffee, crisis, danger, disease, drink, elder, epidemic, face, face mask, facemask, grandfather, health, hospitality, infection, man, mask, old man, old people, pandemic, people, prevention, protection, relax, respiratory, retired, senior, serbia, sit, sitting, srbija, table, terrace, virus,