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    Boy taking shots of blackboard — Stock Photo
    Boy taking shots of blackboard
    Close up of microscope in laboratory — Stock Photo
    Close up of microscope in laboratory
    Crop view of one black man teaching another to play golf on green lawn on background of trees at daylight — Stock Photo
    Crop view of one black man teaching another to play golf on green lawn on background of trees at daylight
    Caucasian boy wearing face mask studying while sitting on her desk in the class at school. hygiene and social distancing at school during covid 19 pandemic — Stock Photo
    Caucasian boy wearing face mask studying while sitting on her desk in the class at school. hygiene and social distancing at school during covid 19 pandemic
    Crop hands providing autopsies of fetus with lancet. — Stock Photo
    Crop hands providing autopsies of fetus with lancet.
    Crop faceless laboratory specialist in latex gloves adjusting powerful microscope knob while working in modern lab — Stock Photo
    Crop faceless laboratory specialist in latex gloves adjusting powerful microscope knob while working in modern lab
    College students studying together at computers in library — Stock Photo
    College students studying together at computers in library
    College students using computers in computer lab library — Stock Photo
    College students using computers in computer lab library
    Astonished boy in eyeglasses and laboratory robe with dirty face and liquid in bottle after making chemical experiment — Stock Photo
    Astonished boy in eyeglasses and laboratory robe with dirty face and liquid in bottle after making chemical experiment
    College students studying together at home — Stock Photo
    College students studying together at home
    A pasta salad in a glass jar with tomatoes, chicken strips and pecorino — Stock Photo
    A pasta salad in a glass jar with tomatoes, chicken strips and pecorino
    Simple art supplies of painter on table — Stock Photo
    Simple art supplies of painter on table
    African american boy in online school class, using laptop and writing in his notebook. at home in isolation during quarantine lockdown. — Stock Photo
    African american boy in online school class, using laptop and writing in his notebook. at home in isolation during quarantine lockdown.
    Group of multi ethnic kids sitting on their desk in the classroom at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Group of multi ethnic kids sitting on their desk in the classroom at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Close-up of a person's hand holding a book in a library — Stock Photo
    Close-up of a person's hand holding a book in a library
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Caucasian male doctor wearing face mask showing how to use hand sanitizer to students at school. health protection and safety at school during covid-19 pandemic concept — Stock Photo
    Caucasian male doctor wearing face mask showing how to use hand sanitizer to students at school. health protection and safety at school during covid-19 pandemic concept
    Woman eating dim sum — Stock Photo
    Woman eating dim sum
    Girl doing homework assignment from laptop — Stock Photo
    Girl doing homework assignment from laptop
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library — Stock Photo
    Side view of female student typing on netbook while sitting at table with book and doing homework in university library
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Man reading a book. — Stock Photo
    Man reading a book.
    College students studying in computer classroom at university — Stock Photo
    College students studying in computer classroom at university
    Ethnic girl writing in notepad against brother looking through binoculars while sitting on land in summer woods — Stock Photo
    Ethnic girl writing in notepad against brother looking through binoculars while sitting on land in summer woods
    Side view of male dentistry student in uniform and gloves working with microscope while performing dental operation in modern classroom — Stock Photo
    Side view of male dentistry student in uniform and gloves working with microscope while performing dental operation in modern classroom
    Side view close up of a young Asian female student wearing a hijab reading a book and studying in a library — Stock Photo
    Side view close up of a young Asian female student wearing a hijab reading a book and studying in a library
    Schoolboy writing on chalkboard in classroom at school — Stock Photo
    Schoolboy writing on chalkboard in classroom at school
    Woman in online shopping trailer for laptop, paying. — Stock Photo
    Woman in online shopping trailer for laptop, paying.
    Positive young female with curly blond hair in panties and eyeglasses smiling while sitting on cozy bed and reading interesting book — Stock Photo
    Positive young female with curly blond hair in panties and eyeglasses smiling while sitting on cozy bed and reading interesting book
    Caucasian female teacher wearing face mask teaching group of multi ethnic kids. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Caucasian female teacher wearing face mask teaching group of multi ethnic kids. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Assistant working in lab with pink liquid — Stock Photo
    Assistant working in lab with pink liquid
    From above of laptop placed on black table near protective mask and bottle of antiseptic — Stock Photo
    From above of laptop placed on black table near protective mask and bottle of antiseptic
    Asian girl using laptop learning online her mum helping her. at home in isolation during quarantine lockdown. — Stock Photo
    Asian girl using laptop learning online her mum helping her. at home in isolation during quarantine lockdown.
    Positive young female in stylish clothes sitting with opened book on wooden bench against building with light wall in daytime — Stock Photo
    Positive young female in stylish clothes sitting with opened book on wooden bench against building with light wall in daytime
    Multicolor vials on laboratory table next to coronavirus on screen — Stock Photo
    Multicolor vials on laboratory table next to coronavirus on screen
    Teacher assisting students in experiment at laboratory — Stock Photo
    Teacher assisting students in experiment at laboratory
    Male colleagues browsing netbook and working on project remotely while sitting on lawn in park — Stock Photo
    Male colleagues browsing netbook and working on project remotely while sitting on lawn in park
    Clever female student with tasty sandwich typing on laptop while studying at home — Stock Photo
    Clever female student with tasty sandwich typing on laptop while studying at home
    Company of diverse students doing homework together while using netbook in city street — Stock Photo
    Company of diverse students doing homework together while using netbook in city street
    Front view mid section of male fashion student working on a design in a studio at fashion college — Stock Photo
    Front view mid section of male fashion student working on a design in a studio at fashion college
    Multi ethnic group of elementary school children sitting at desks wearing face masks in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Multi ethnic group of elementary school children sitting at desks wearing face masks in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Boy with toy in classroom — Stock Photo
    Boy with toy in classroom
    Young woman choosing books — Stock Photo
    Young woman choosing books
    Side view of stylish smiling brunette Asian woman surfing smartphone on background of wall with climbing green plants — Stock Photo
    Side view of stylish smiling brunette Asian woman surfing smartphone on background of wall with climbing green plants
    Young women sitting on sofa at library — Stock Photo
    Young women sitting on sofa at library
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Ethnic girl with brother studying plant foliage with magnifying glass while sitting against river and cascade — Stock Photo
    Ethnic girl with brother studying plant foliage with magnifying glass while sitting against river and cascade
    Low angle of ethnic teenage boy with Down syndrome reading interesting book while sitting looking at camera on sofa in living room at home — Stock Photo
    Low angle of ethnic teenage boy with Down syndrome reading interesting book while sitting looking at camera on sofa in living room at home
    Side view close up of a young African schoolboy standing at the front of the class writing on the blackboard during a lesson in a township elementary school classroom — Stock Photo
    Side view close up of a young African schoolboy standing at the front of the class writing on the blackboard during a lesson in a township elementary school classroom
    A boy sits quietly next to cat playing guitar while sister sits behind — Stock Photo
    A boy sits quietly next to cat playing guitar while sister sits behind
    Front view close up of a young African schoolboy sitting at a desk and raising his hand to answer a question during a lesson in a township elementary school classroom, in the background is a world map and the blackboard — Stock Photo
    Front view close up of a young African schoolboy sitting at a desk and raising his hand to answer a question during a lesson in a township elementary school classroom, in the background is a world map and the blackboard
    Side view close up of a young Asian female student wearing a turban using a laptop computer and studying in a library — Stock Photo
    Side view close up of a young Asian female student wearing a turban using a laptop computer and studying in a library
    Student with marker explaining information for classmate while working on homework assignment together against whiteboard — Stock Photo
    Student with marker explaining information for classmate while working on homework assignment together against whiteboard
    Living Room And Study Of Home — Stock Photo
    Living Room And Study Of Home
    Schoolkids looking at globe in classroom at school — Stock Photo
    Schoolkids looking at globe in classroom at school
    Tables And Chairs In School Cafeteria — Stock Photo
    Tables And Chairs In School Cafeteria
    Boy with toy in classroom — Stock Photo
    Boy with toy in classroom
    Front view mid section of female fashion student working on a design with orange fabric in a studio at fashion college — Stock Photo
    Front view mid section of female fashion student working on a design with orange fabric in a studio at fashion college
    A father leans over child helping him learn to play a cello with a bow — Stock Photo
    A father leans over child helping him learn to play a cello with a bow
    African american girl studying while siting on her desk in class at elementary school. school and education concept — Stock Photo
    African american girl studying while siting on her desk in class at elementary school. school and education concept