1 person 18 months 2 -3 years old Afraid Apprehensive Bashful Boys Caucasians Cautious Chapped Child photography Children only Close up Concentrate Concentrating Contemplate Cracked Doubtful Eye contact Frowning Grimace Horizontal Individual Lips One person Pensive People Person Photographs Pictures Portraits Preschoolers Sad Serious Shyness Smirk Solo Stock photo Studio Sulking Thinking Three years old Timid Toddlers Two years old Uncertain Uncomfortable Under 5 Uneasy Unhappy Unsure Upset Vulnerable Worried