Ключевые слова: adult, back pack, backpack, books, boy, brazilianian, brunette, caucasian, child, curly, ethnic, face, face mask, guy, health, hispanic, indoors, knowledge, latin, male, medical face mask, medicine, mexican, mexico, multiethnic, one, pandemic, people, person, portrait, precaution, protection, quarantine, smile, student, studio, virus, work, young, youth,