Keywords
18-19 years, 20's, 20-24 years, 20-25, 20-30, 20s, 25-30, 40's, 40-45, 40-50, 40s, 45-50, 50-54 years, 50-55, 50-60, 55-59 years, 55-60, acknowledging, adult, african-american ethnicity, alert, amphitheater seating, answering, arm, arms raised, arms up, asian, asian ethnicity, asking, bliss, caucasian, cheerful, chinese, chinese ethnicity, class, classmate, classroom, college, color, color image, colour, confidence, confident, copy space, delight, delighted, educating, education, educator, enjoyment, enquiring, examining, far eastern, fellow, female, fifties, fifty, filipino ethnicity, forties, forty, front view, gaiety, gal, gentleman, gesturing, glad, gleeful, gratifying, group, guy, happy, hispanic, horizontal, human, human being, indoor, indoors, information, inquiring, inside, instructing, instruction, instructor, intelligence, interrogating, jolly, joy, knowledge, lady, latin, latin american, latin american and hispanic ethnicity, latina, leaning, learning, lecture, lecture hall, lecturer, lecturing, lighthearted, male, man, mature adult, mature women, medium group of people, merry, mid life, middle age, middle aged, middle-age, middle-aged, mixed race person, motioning, multi-ethnic group, multicultural, multiculturalism, negative space, oriental, people, person, photography, pleasing, pleasure, pointing, professor, pupil, questioning, raised, raising, rear view, rejoicing, responding, satisfaction, school, schoolmate, schoolroom, smile, smiling, speech, student, studying, talking, teacher, teaching, theater seating, training, tuition, tutor, tutoring, twenties, twenty, university, up, western european, white space, wisdom, woman, women, 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, blm016685