Knowledge
Mother teaching drawing to autistic son while sitting at home
Doctor showing tablet to patient in medical practice
Water drops on needle
Female engineer working on paper at table in workshop
Female entrepreneur giving presentation on solar toy car through conference call in creative office
Close-up of old books
Young woman touching windowpane with graph in office
Stack of old books against wall in library
Full length of father and children walking on road to school
Side view of smiling african american female student taking book from shelf in library at university
High angle view of book floating on water
Low angle view of window on wall of building
Elegant lady with floating woolen plaid outdoors portrait picture
Portrait of young woman drinking coffee cup against wall
Handmade decoration on a christmas tree outdoor. diy creative ideas for children. environment
Boy sitting by friend on staircase in middle school
Rear view of friends walking in corridor at university on sunny day
Rear view of woman using laptop at home
Low section of group of girls
Boy studying while sitting at abandoned damaged retaining wall
Portrait of serious senior businessman
Girl draws with colorful crayons on pavement. children's drawings with chalk on wall. creative kid.
Man working at home
Cute girl playing with toys at home
Child sits at a computer
Adult female reading interesting book while sitting at table decorated with burning candles at home
Close-up of boy reading koran in darkroom
Side view of young woman searching book in shelf at library
Father hugging children while collecting from school
A charming european boy with a backpack on his back and a cap walks from school.
Young person holding up modern camera in front of face in doorway
Young latin man thinking on a blue background
Rear view of man studying at table in college dorm room
Woman teaching abacus to daughter while man playing with son in living room at home
River amidst buildings in city
Cute girl eating food on table at home
Low section of person standing on snow
Contemplating female student studying in classroom
Children exploring vegetable seedlings in the backyard. girls helps family in vegetable garden.
Smiling female high school students with teacher in computer lab
Business people planning at conference room
Plants on pink concept. cactus
Naked woman with wine reading book while sitting in bathtub
Portrait of smiling teenage boy studying at home
Full length rear view of man walking on footpath
Wood cutting machine blade. circular saw. wooden bar in carpentry workshop. woodworking industry.
Large bookshelf
High angle view of oil in water in container
Portrait of old rastafari with dreadlocks looking at the camera in the nature with white background
Close-up of colorful toy blocks on table
Young university students studying together in classroom
Boy sitting by cycle on grass
Girl breaking eggs in bowl on table at home
Girl playing at park
A girl with a pink satchel on her back approaches the school door. the first day of school.
Smiling friends talking while walking at university campus on sunny day
Boys sitting on sofa at home
Cinematic style front view point of young women checking her camera
Young boy lying on bed looking at smartphone with earbuds in ears
Portrait of happy schoolboy sitting at desk in classroom
View of an empty room
Close-up of hammock
Kitchen interior of home
Smiling young woman explaining over whiteboard while blogging with smart phone at home
Close-up of old books arranged in shelf at library
Brave boy rides kick scooter in skate park. special concrete bowl structures in urban park.
Pretty teenage girl draws a picture with poster paint.
Mother and mixed race daughter at home having fun using a learning tablet computer
Father and son using digital tablet at home
Woman using computer in library
Empty chairs and tables in building
Group of young pro athletes performing different workouts in the gym with a personal trainer.
Melting ice cream stick in water. sun and shadows. minimal summer concept. flat lay.
High angle view of buildings in city against sky
Wonderful spiky glacier landscape photo
Portrait of smiling woman holding placard on field
Boy snowboarding on mountain against trees
Woman stood wrapped in a pendleton blanket holding a guitar
View of yellow wall of building
Full frame shot of books in shelf
Girl doing math
Rear view of couple walking in forest
Open book on retaining wall of balcony against cityscape
Two businessmen talking in modern factory
Christmas straw snowflakes decoration on blue background, copy space
Boy helping grandmother in cutting vegetable at home
Series photo of young woman have a breakfast , morning meal
Businessman giving presentation to colleagues in meeting room
Boy drawing on table at home
Woman using mobile phone while sitting with friend at home
High angle view of smiling teenage boy using mobile phone while studying in bedroom
High angle view of text on wooden blocks
Rear view of boy looking at camera
Blonde woman hugging large tree trunk scenic photography
Midsection of architect working on blueprint at desk in office
A little young women reading book and sitting in a car
Woman painting on canvas at home
Smiling man and woman in art class
Happy couple looking at each other while playing guitar while sitting on grassy field against brick wall
New years eve outfit ideas, dress to impress. party dresses for celebration new years eve night