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, classmate, classmates, classroom, college, color image, contented, cropped, desks, discipline, diverse, diversity, educate, education, educational, female, females, finance, front view, hand, hand raised, hands, happiness, happy, head and shoulders, hispanic, hold, holding, holds, human hand, human hands, indoor, indoors, information, inside, institute, instructor, interior, knowledge, latin, learn, learning, lecture, lecturer, lecturing, lesson, lessons, lifestyle, listening, male, males, man, mba, medium group of people, men, mid adult men, mid adults, multi-ethnic, multi-racial, multiracial, multiracial group, notations, notes, papers, photography, professor, pupils, raise, raised, raising, rear view, school, schooling, schoolmates, schoolroom, sitting, smile, smiling, standing, students, teach, teacher, teaching, thirties, thirty, three quarter length, university, vertical, 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-3295, 1785r 3295, 1785r3295