Ключевые слова: adorable, background, ball, blue, boy, checkered, child, childhood, closed, concept, coronavirus, covid, cropped, cute, daylight, daytime, earth, education, genius, geography, global, global health, globe, green, hand, health care, hold, home, kid, knowledge, mask, nature, one person, outdoors, pandemic, partial, plaid, planet, preschooler, protective wear, sad, sadness, smart, sphere, spread, spreading virus, study, travel, virus, world,