Ключевые слова: adult, age, art, body, bodybuilding, boy, boys, change, cycle, drawing, figure, fitness, grow, growing, growth, health, healthy, human, illustration, image, life, lifespan, light, male, males, man, mature, maturing, maturity, men, muscle, muscles, mutation, people, person, physical, puberty, shade, silhouette, stage, stages, strong, teen, teenager, transition,