Keywords
20-25 years, 20-29 years, 20s, 30-35 years, 30-39 years, 30s, adult, adults only, african ethnicity, african-american, blackboard, books, casual, casual clothing, caucasian appearance, cheerful, class, classmates, classroom, college, color image, cropped, desks, discipline, diverse, diversity, duster, dusters, educate, education, educational, equations, females, finance, front view, hand, hands raised, happiness, happy, head and shoulders, hold, holding, horizontal, human hand, indoors, institute, instructor, knowledge, learn, learning, lecture, lecturer, lecturing, lesson, lessons, lifestyle, listening, looking at camera, looking over shoulder, males, mba, medium group of people, men, mid adult men, mid adults, multi-ethnic, multi-racial, multiracial, multiracial group, notes, papers, photography, point, pointing, portrait, professor, pupils, raise, raised, raising, rear view, school, schooling, schoolmates, schoolroom, side view, sitting, smile, smiling, standing, students, teach, teacher, teaching, text, thirties, thirty, three quarter length, toothy smile, university, women, young, young adults, 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, 1785r-3308, 1785r 3308, 1785r3308