Ключевые слова: 1718, 1819 years old, 1820, adolescent, adult, blink, blinking, boy, caucasian, close up, closed, expression, expressions, eyes, eyes closed, face, facial expression, facial expressions, features, head, high school, high school student, human, male, man, model, student, teen, teenage, teenager, university student, young adult, young man, youth,