Keywords
18 to 19 years, 18-19 years, 20 to 24 years, 20-24 years, 25 to 29 years, 25-29 years, 65 to 69 years, 65-69 years, african ethnicity, ambition, aspirations, caucasian ethnicity, classroom, companion, concentrating, concentration, day, daytime, desk, desks, differential focus, education, educational, elderly man, five people, focus, friendship, horizontal, indoors, inside, intelligence, ladies, lady, learn, learning, lecturer, males, men, motivation, paper material, relationship, selective focus, senior men, student, teacher, togetherness, women, writing activity, young female, young male, young men, young women, 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, 412-24141, 412 24141, 41224141