Keywords
18 to 19 years, adolescent, adult, alone, attentive, boredom, carriage, cell, cells, cellular telephone, communication, compartment, concentration, connections, consumer electronics, day, device, digital device, electronics, entertainment, escape, ethnic, fed up, focus, focus concept, headphones, holding, interaction, joining, journey, juvenile, lad, land vehicle, leisure, listening, looking, male, man, mix, mixed, mixed race, mixed race ethnicity, mobile, monotonous, multi ethnic, multi-ethnic, network, networking, on the go, one person, only adults, only men, only one adult, only one man, only one young man, only young adults, only young men, paying attention, portable information device, puberty, public transport, senses, single, sitting, smartphone, solitude, sound, technology, teenager, telephone, train, train compartment, transit, transport, travel, trip, using, vehicle, wearing, young, young adult, young man, 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, u50912492