Girl using phone and boy using locker in school corridor

student high school corridor connection education school building elementary student digital native selective focus schoolgirl african-american ethnicity two people adolescence teenager using phone side view film - moving image technology standing text messaging communication multiracial group locker social media smiling day smart phone incidental people handheld child looking people non us film location portable information device wireless technology south africa girls leaning schoolboy opening white people 4k resolution internet slow motion file folder waist up computer monitor cheerful boys curly hair indoors horizontal independence