Ключевые слова: activity, adult, art, book, child, childhood, classroom, closeup, concentration, craft, creativity, desk, drawing, education, females, group, hand, handwriting, hobbies, holding, homework, human, ideas, indoors, learning, lifestyles, males, men, occupation, one, painting, paper, pen, pencil, pencils, people, person, selective focus, senior, sitting, sketch, student, studying, table, unrecognizable, women, working, writing,