Keywords
18-19 years, 2, 20's, 20-25, 20-30, 20s, 25-30, adult, apparatus, arms outstretched, asian, asian ethnicity, book, caucasian, class, classmate, classroom, college, color, color image, colour, concentrating, concentration, cooperation, day, daylight, daytime, education, equipment, examining, experiment, eyeing, far eastern, female, front view, gal, head & shoulders, head and shoulders, human, human being, indoor, indoors, information, inside, instructing, instruction, intelligence, investigation, knowledge, korean, korean ethnicity, lab, laboratory, lady, leaning, learning, looking, looking down, machine, machinery, mixed race person, multi-ethnic group, multicultural, multiculturalism, notebook, observing, oriental, partner, partnership, people, person, photography, physics, pupil, research, safety glasses, school, schoolmate, schoolroom, science, scrutinizing, seeing, serious, seriousness, solemn, somber, spectating, spectator, standing, student, studying, teaching, team, teamwork, together, togetherness, tuition, tutoring, twenties, twenty, two, two people, university, vertical, viewing, waist up, waist-up, watching, western european, wisdom, woman, women, young adult, 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, blm016380