Ключевые слова: adults, answer, body part, bright idea, caucasian, females, gesture, gesturing, group, group of people, groups, guy, guys, hand raised, hand raising, hand up, hands, hands in air, hands in the air, hands lifted, hands lifted up, hands raised, hands up, human, human being, human body parts, ideas, knowing, knowledge, ladies, lady, lift hands, lifted hands, lifting hands, males, man, men, new ideas, part, people, photography, problem solving, problemsolving, raise hand, raise your hand, raised hand, raising hand, solutions, solve, solving, studio, studio photograph, studio shot, teamwork, thought, whites, woman, women,