Ключевые слова: background, blocked, blue, building, child, city, closed, coronavirus, covid19, crisis, day, empty, entrance, epidemic, fence, flu, forbidden, gate, grass, green, leisure, limit, no people, outdoor, outside, pandemic, park, play, playground, police, protection, public, quarantine, restraint, restricted, safety, security, shut, social, social distancing, spring, stop, street, summer, sunny, tape, travel, urban, virus, zone,