Keywords
1 person, 20, 20's, 20-25 years, 20-29, 20s, asia, asian ethnicity, backpack, bag, black hair, chinese ethnicity, college, color image, colour image, communication, communications, connected, connection, contact, conversation, converse, correspondence, dark hair, daylight, daytime, delight, ear phone, earphone, education, entertainment, eyeglasses, free time, glasses, grey pullover, grey sweater, half length, happiness, happy, having fun, head phones, headphone, headphones, indoor, inside, ipod, joy, joyful, joyfulness, joyous, knapsack, learning, leisure, leisurely, libraries, library, listening to music, male, man, men, mid twenties, mp3 player, music, one man only, one person, one young man only, oriental ethnicity, pleasure, recreation, satisfaction, school, selective focus, short hair, smiling, spare time, spectacles, standing, student, study, study room, sunglasses, text messaging, thirties, time off, twenties, twenty, university, university student, vertical, waist up, waist-up, young adult, 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, 00931ap07831