1 person 20s Adults Adults only Afraid Angry Annoyed Bored Boredom Cautious Concentrate Concentrating Concern Contemplate Curly hair Dark hair Depressed Despair Doubtful Exhausted Fatigue Females Frowning Grimace Head and shoulders Head shots Hispanic Individual Latin American Latino Long hair Mad One person Pensive People Person Photographs Pictures Portraits Puzzled Sad Scowling Serious Sleepy Smirk Solo Stock photo Studio Sulking Thinking Thoughtful Tired Twenties Twenty years old Uncertain Unhappy Unsure Upset Vertical Vulnerable Weary Withdrawn Woman Women Worried Young adults Youth