1 person 20s Adolescence Adolescent Adolescents Afraid African Americans Annoyed Bi-racial Bored Boredom Cautious College age Concentrating Concern Contemplate Curly hair Diversity Doubtful Early 20's Ethnic groups Ethnicity Females Frowning Head and shoulders Head shots High school age High school seniors Individual Interracial Minority groups Mixed race person Multicultural One person Pensive People People of color Person Photographs Pictures Portraits Sad Serious Solo Stock photo Studio Teenagers Thinking Thoughtful Twenties Twenty years old Uncertain Unhappy Unsure Upset Vulnerable Woman Women Worried Young adults Youth