Keywords
16 to 17 years, adolescent, alone, attentive, blur, caucasian ethnicity, child, consumer electronics, differential focus, ear bud, earphones, electronics, eyes closed, female, focus, focus techniques, girl, headphones, juvenile, listening, music, one person, only children, only girls, outdoors, paying attention, personal mp3 player, personal stereo, puberty, roof, rooftop, senses, single, sound, structures, technology, teenage girl, teenager, using, white, young, youngster, youths, 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, is098q820