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, 5, 50-54 years, 50-55, 50-60, 55-60, adult, amphitheater seating, asian, asian ethnicity, caucasian, chatting, chinese, chinese ethnicity, class, classmate, classroom, college, color, color image, colour, communicating, communication, confidence, confident, conversation, conversing, copy space, dialog, dialogue, discussing, educating, education, educator, examining, face to face, far eastern, fellow, female, fifties, fifty, five, five people, forties, forty, gal, gentleman, guy, hearing, hispanic, horizontal, human, human being, indoor, indoors, information, inside, instructing, instruction, instructor, intelligence, knowledge, lady, latin, latin american, latin american and hispanic ethnicity, latina, leaning, learning, lecture, lecture hall, lecturer, lecturing, listener, listening, male, man, mature adult, mature women, mid life, middle age, middle aged, middle-age, middle-aged, multi-ethnic group, multicultural, multiculturalism, negative space, oriental, people, person, photography, professor, pupil, school, schoolmate, schoolroom, speaking, speech, student, studying, talker, talking, teacher, teaching, theater seating, training, tuition, tutor, tutoring, twenties, twenty, university, 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, blm016687