Rear view of female student raising hand during lecture in classroom
Portrait of smiling female professor in university
Rear view of thoughtful male professor sitting in library at university
Side view of young male trainer teaching boxing to boy
Rear view of mother and son playing piano at window
Boy with dog
Gay couple parenting daughter studying while sitting at dining table in home
Stack of books
Preschool students gesturing at teacher while sitting at dining table during lunch break
Smiling schoolgirl showing tablet pc to male teacher in classroom
Cute girl using laptop while lying on sofa at home
Teacher serving food to male and female students for breakfast in day care center
Rear view of mother with daughter
Portrait of mature female teacher standing in corridor
People working in factory
Mother assisting daughter in studies at home
Teachers with children in playschool
Happy male child care worker with students having breakfast at table in kindergarten
Women with yoga instructor practicing uttanasana on sand against plants
Couple standing at home
Smiling female teacher and schoolgirl interacting with each other while sitting in classroom
Female coach guiding male student sitting with eyes closed in sports court
Midsection of man working on metal structure
Low angle view of historical building against clear sky
Christmas, new year food preparation. xmas gingerbread cooking, decorating cookie with icing, mastic
Rear view of man with dog walking in park
Multiracial boys and girls eating fruits while sitting with female teacher in park
Cute boy playing drum while sitting with father at home
Woman looking at document
Playful multiracial preschool students stacking hands with teacher in park
Mother teaching daughter while sitting on sofa at home
Boy with hand on shoulder of brother doing homework in book at home
A schoolgirl girl with a school backpack on her back runs to school.
Rear view of man standing against building
Male and female teacher serving food to children while having meal at table in kindergarten
Close-up of mother and daughter
Mixed race young girl at home on the sofa using a laptop computer for learning
Little girl plays the guitar with her mother on the floor at home
Rear view of people listening to a speak
Midsection of woman assisting daughter studying while sitting on sofa at home
Empty chairs and tables in classroom
Smiling students looking at teacher pointing in classroom
Young man reaching for book by professor in library
Smiling girl doing homework while sitting with gay father at table in home
Male professor and student discussing in library
Teacher helping to choose book her schoolgirl in school library. girl selecting books for reading
Rear view of speaker giving speech at podium
Boy pronouncing sound o looking at mirror doing an online speech therapy lesson through a laptop
Low section of father holding son by stream in forest
Children playing outdoors
Woman standing with arms raised
Side view of mature male professor writing on whiteboard in classroom
Side view of positive elderly and adult women in gloves and glasses smiling for camera and crossing arms while working in indoor garden together
Woman sitting on chair at table
Little boy in kitchen at the table peeling vegetables, helping his mother. mother's day, women's day
Boys sitting with female teacher reading book in classroom at kindergarten
Children raising hands while sitting with female teacher during lunch time at kindergarten
High angle view of people swimming in pool
People waiting
Young woman with short hair in eyeglasses and black sweater sitting at the table in office
Corridor of building
People working
Young couple looking at camera
A young man teaches his children to fish during a family vacation at a camping site.
Two young women practice taekwondo in a training center
Midsection of paramedic performing cpr on dummy
Side view of woman carrying books while walking against blackboard in classroom
Cropped hands of female artisan shaping equipment on table in workshop
Slim barefoot female instructor in sportswear standing in warrior pose three and controlling group of sporty people concentrating and doing same exercise standing on sports mats in modern workout room
Boy and instructor on snowboarding class
Blond woman assisting son with homework at home
View of monk holding book standing by elephant in forest
A beautiful young woman and her adorable little daughter smile and meditate after a workout together
Portrait of young woman standing against trees
Teacher helping to choose book her schoolgirl in school library. smart girl selecting literature
Smiling students and professor discussing at table in university
Cropped hands of father and son with coins on stone table in park
Young woman in dress
People standing by staircase
Cute girl studying while sitting at classroom
Teacher standing by female teenage student in library
Side view of people at park
Grandfather showing mushroom to granddaughter in forest
Teacher playing with schoolgirl board game in after school club. child spending time playing game
Father teaching baby boy to play drums. parent with toddler child having fun, spending time together
Father teaching daughter to play guitar while sitting on bed at home
Small girl and her mother relaxing on the sofa and surfing the net on mobile phone.
Happy girl with vegetables at home
Learning at school. teacher assisting schoolgirl while class at primary school. giving clues. class
Happy girl talking with teacher by classmates having breakfast in kindergarten
High angle view of mature man teaching young daughter swimming in pool
Father playing board game with her daughter in public library. child spending time with dad. play
Male teacher talking with students having breakfast at table in day care center
Portrait of smiling male teacher holding tablet pc while standing in classroom
Cute girl studying at home
Girl writing on window with father at home
Side view of man on train in city
Father holding son while walking on retaining wall
High angle view of woman holding paper
Rear view of people at music concert