Keywords
20-24 years, 20s, 40-44 years, 40s, absorption, adolescence, adult, american, amplification, assist, assistance, assisting, attention, attentive, bench, bend, bending, bent, black hair, bliss, blissful, blissfully, blissfulness, book, brown hair, button down shirt, casual clothing, caucasian, caucasian appearance, cheerful, cheerfull, cheerfully, cheerfulness, clearing up, colour image, concentrate, concentrated, concentrates, concentrating, concentration, content, cooperation, corridor, education, elucidation, engrossment, ethnicity, european, excited, excitement, exciting, expertise, explaining, explanation, explicit, expression, eyeglasses, facial expression, glass, grace, guidance, guide, guiding, happiness, happy, help, helping, immersion, joy, late teens, learning, long hair, look, looking, male, mature, occupation, pen, people, pleased, pleasing, pleasure, positive feeling, positivity, professional occupation, professor, satisfaction, satisfied, satisfies, satisfy, satisfying, side view, sit, sitting, skill, skilled, smile, smiles, smiling, students, studying, teacher, teaching, teen, tie, toothy smile, toothy smiling, white, writing, writing instruments, young, young adult, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, gws222006