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    Rural female teacher smiling at camera while pupils studying in classroom — Stock Photo
    Rural female teacher smiling at camera while pupils studying in classroom
    Elderly female with gray short hair and wrinkled face wearing woolen shawl in dining room and looking at camera — Stock Photo
    Elderly female with gray short hair and wrinkled face wearing woolen shawl in dining room and looking at camera
    Beautiful woman reading book in bedroom at home — Stock Photo
    Beautiful woman reading book in bedroom at home
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom — Stock Photo
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom
    Rear view of siblings sitting together at wooden pier at lake in nature — Stock Photo
    Rear view of siblings sitting together at wooden pier at lake in nature
    Thoughtful woman looking through window at home — Stock Photo
    Thoughtful woman looking through window at home
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and girl students using microscope and laptop, conducting scientific experiment in laboratory classroom
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Adult female reading interesting book while sitting at table decorated with burning candles at home — Stock Photo
    Adult female reading interesting book while sitting at table decorated with burning candles at home
    Rural teacher reading book to pupils in outdoor learning — Stock Photo
    Rural teacher reading book to pupils in outdoor learning
    Portrait of a senior man in autumn; Terrace, British Columbia, Canada — Stock Photo
    Portrait of a senior man in autumn; Terrace, British Columbia, Canada
    Woman reading a novel next to lit candles, tea and bowl of strawberries at home — Stock Photo
    Woman reading a novel next to lit candles, tea and bowl of strawberries at home
    Curious boy examining DNA model in classroom — Stock Photo
    Curious boy examining DNA model in classroom
    Mature female with closed eyes sitting with crossed legs on fluffy rug while practicing yoga at home — Stock Photo
    Mature female with closed eyes sitting with crossed legs on fluffy rug while practicing yoga at home
    Science teacher helping girl student at microscope in classroom laboratory — Stock Photo
    Science teacher helping girl student at microscope in classroom laboratory
    Rural female teacher and pupils in the classroom — Stock Photo
    Rural female teacher and pupils in the classroom
    Girl students conducting chemistry experiment in classroom laboratory — Stock Photo
    Girl students conducting chemistry experiment in classroom laboratory
    Clever Asian female student in glasses reading textbook and preparing for exam on yellow background in studio — Stock Photo
    Clever Asian female student in glasses reading textbook and preparing for exam on yellow background in studio
    Witch in long dress lighting a fire holding her magic book of spells in her hand while standing in cozy room with broom and cauldron — Stock Photo
    Witch in long dress lighting a fire holding her magic book of spells in her hand while standing in cozy room with broom and cauldron
    Attentive girl doing homework in living room at home — Stock Photo
    Attentive girl doing homework in living room at home
    Frustrated girl sitting at table and studying in living room at home — Stock Photo
    Frustrated girl sitting at table and studying in living room at home
    Clever Asian female student in glasses reading textbook and preparing for exam on yellow background in studio — Stock Photo
    Clever Asian female student in glasses reading textbook and preparing for exam on yellow background in studio
    Elderly woman reading by window with enthusiasm — Stock Photo
    Elderly woman reading by window with enthusiasm
    Woman reading a book in living room at home — Stock Photo
    Woman reading a book in living room at home
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Cheerful female in summer top and shorts sitting near deck chair on wooden veranda and enjoying story while smiling and looking away — Stock Photo
    Cheerful female in summer top and shorts sitting near deck chair on wooden veranda and enjoying story while smiling and looking away
    Side view of slim attentive female in casual wear reading book while resting on comfy armchair in modern living room — Stock Photo
    Side view of slim attentive female in casual wear reading book while resting on comfy armchair in modern living room
    Side view of thoughtful male student in bright headphones studying in university square and writing in note book sitting on fence — Stock Photo
    Side view of thoughtful male student in bright headphones studying in university square and writing in note book sitting on fence
    Male chinese rural primary school teacher in classroom — Stock Photo
    Male chinese rural primary school teacher in classroom
    Young female chinese teacher looking at elementary school student writing on chalkboard — Stock Photo
    Young female chinese teacher looking at elementary school student writing on chalkboard
    Woman reading a book in living room — Stock Photo
    Woman reading a book in living room
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Girl student examining and touching molecular structure in classroom — Stock Photo
    Girl student examining and touching molecular structure in classroom
    Thoughtful senior man wearing simple colorful jacket and standing with arms crossed against house wooden wall — Stock Photo
    Thoughtful senior man wearing simple colorful jacket and standing with arms crossed against house wooden wall
    White human brain on black background, digital artwork. — Stock Photo
    White human brain on black background, digital artwork.
    Hand of teacher pointing to molecular structure on projection screen — Stock Photo
    Hand of teacher pointing to molecular structure on projection screen
    Rural female teacher and chinese pupils studying in the classroom — Stock Photo
    Rural female teacher and chinese pupils studying in the classroom
    Low angle of statue of Demon surrounded by green tropical foliage in Bali — Stock Photo
    Low angle of statue of Demon surrounded by green tropical foliage in Bali
    Stack of books on wooden shelf, close-up — Stock Photo
    Stack of books on wooden shelf, close-up
    Portrait of senior Arabian and looking at camera over tent at background — Stock Photo
    Portrait of senior Arabian and looking at camera over tent at background
    Primary school students in rural primary school — Stock Photo
    Primary school students in rural primary school
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Man reading book in living room at home — Stock Photo
    Man reading book in living room at home
    Side view of young unemotional female in sundress sitting with textbook and looking at camera in bookshop — Stock Photo
    Side view of young unemotional female in sundress sitting with textbook and looking at camera in bookshop
    Adult female reading interesting book while sitting at table decorated with burning candles at home — Stock Photo
    Adult female reading interesting book while sitting at table decorated with burning candles at home
    Content ethnic female in stylish outfit sitting on stool in patio and reading novel in book while enjoying summer weekend — Stock Photo
    Content ethnic female in stylish outfit sitting on stool in patio and reading novel in book while enjoying summer weekend
    Beautiful woman reading book while having coffee at home — Stock Photo
    Beautiful woman reading book while having coffee at home
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom — Stock Photo
    Students conducting scientific experiment, pouring liquid in beaker in laboratory classroom
    Students examining DNA model in classroom laboratory — Stock Photo
    Students examining DNA model in classroom laboratory
    Primary school girls in rural primary schools — Stock Photo
    Primary school girls in rural primary schools
    Boy with red apple on head — Stock Photo
    Boy with red apple on head
    Cropped unrecognizable female in stylish clothes sitting with opened book on wooden bench against building with light wall in daytime — Stock Photo
    Cropped unrecognizable female in stylish clothes sitting with opened book on wooden bench against building with light wall in daytime
    Side view of dreamy young ethnic female with closed eyes meditating in Padmasana pose while practicing yoga on sea coast — Stock Photo
    Side view of dreamy young ethnic female with closed eyes meditating in Padmasana pose while practicing yoga on sea coast
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Serious boy student holding molecular structure in classroom — Stock Photo
    Serious boy student holding molecular structure in classroom
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Focused Chinese school students sitting at desks and studying in rural primary school — Stock Photo
    Focused Chinese school students sitting at desks and studying in rural primary school