Keywords
25-30 years, adult, asian, asian ethnicity, black, black hair, blackboard, chair, college, college student, communication, computer, concentration, connection, education, education university, electric, electric light, ethnicity, hair, hall, indoors, laptop, learn, learning, lecture, lecture hall, length, light, man, mobile, mobile phone, mobility, one man only, one person, one young man only, paper, person, phone, rear, rear view, sit, sitting, student, table, technology, three-quarter, three-quarter length, unrecognisable, unrecognizable, unrecognizable person, view, wireless, wireless technology, years, young, 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, 1642r-144d, 1642r 144d, 1642r144d