Ключевые слова: active, activity, break, campus, children, class, classroom, college, development, education, feet, group, growth, healthy, hurry, journey, kids, knowledge, learning, legs, lesson, morning, moving, outdoor, outdoors, people, relax, relaxing, school, shoes, speed, stairs, step, steps, student, students, study, studying, summer, sunshine, support, together, travel, traveling, trip, university, urban, walk, walking,