Ключевые слова: 20s, adult, campus, candid, casual, caucasian, cellphone, classroom, college, communication, copy space, cropped, education, group, handsome, happiness, happy, holding, indoor, indoors, informal, inside, interior, lifestyle, looking, male, man, men, message, natural, pen, people, person, positive, reading, school, sitting, smile, smiling, student, study, studying, technology, text, texting, typing, university, writing, young, youth,