Keywords
20-25, 20-25 years, adult, adults, adults only, african, african ethnicity, alertness, bench, caucasian, caucasian ethnicity, classroom, cloth, clothing, college, college student, confidence, education, ethnicity, eyeglasses, front, front view, gray, gray hair, group, group of people, hair, hand, hand raised, hold, holding, indoors, intelligence, learn, learning, length, men, multi-ethnic, multi-ethnic group, open, people, person, professor, purestock, raised, rear, rear view, sit, sitting, student, sweater, textbook, three-quarter, three-quarter length, university, unrecognizable, unrecognizable person, view, waist-up, warm, warm clothing, women, years, young, young adult, 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, 1574r-015175, 1574r 015175, 1574r015175