Ключевые слова: 10 years old, 1012 years, 11 years old, 12 years old, 9 years old, africanamerican, american, boy, cameroonian, carefree, caucasian, cheerful, child, city, city street, diverse, emotion, enjoyment, european, excitement, expressive, festive, freedom, french, friends, friendship, fun, german, girl, group, group of people, happiness, having fun, holiday, laughing, motion, multiracial, nigerian, outdoors, playful, recreational, relaxing, running, street, summer, vacations, youngster, youth,