Ключевые слова: adult, architecture, asian, bad, book, building, campus, candid, casual, city, college, coronavirus, covid19, crown, different, environment, erasmus, face, facemask, female, four, girl, group, happy, higher, hispanic, interior, lifestyle, mask meeting, mixed, modern, open, outdoors, people, portrait, pretty, prevention, protective, school, sidewalk, smile, standing, street, student, study, technology, together, university, walking, young,