Knowledge
Close-up of human hand
Low section of woman demonstrating on cpr dummy
Woman reading newspaper while standing at railroad station platform
Cute caucasian preschool girl holding rain worm in hands. child kid learning studying nature around.
Rainbow colors of modeling clay. multicolored plasticine bars background.
Man reading book in library
Golden boxes against wall
Led light bulb on illuminating a human hand on dark background
High angle view of business people stacking hands
Human hand on glass
Hand outstretched towards scenic view of mountains
Midsection of woman reading book against landscape
Midsection of man reading book outdoors
Woman with mirror instead of face on the forest background. mindfulness, mind and soul, mental
Close-up of hand against sea
Rear view of woman walking in library
Midsection of woman reading book against landscape
Young woman in tree
Close-up of female hand holding instant camera picture against buildings
Mature potter showing mobile phone to female colleagues at ceramics workshop
Person with balloon standing in foggy weather
Cropped image of hand against sea
Female chefs cooking food while male colleague writing in notepad at commercial kitchen
Side view of woman sitting outdoors
Close-up of woman playing piano
Students during graduation event
Jellyfish boy
Rear view of students in class
Close-up of woman playing piano
young women lie down on pile of book and cover her face by the book education and growth concept
Midsection of people reading book sitting outdoors
Businesswoman planning on paper at table in creative office
Dad takes a little boy, son by the hand to kindergarten or school on a sunny day. care of parents
View of people in office meeting
Carpenter making wooden furniture at workshop
Multi-ethnic entrepreneurs communicating against wall at conference
Low section of father assisting daughter in walking at home
Cropped image of hand against illuminated lights at night
Teacher teaching language to students in classroom
Midsection of woman reading book while sitting outdoors
Midsection of man sitting with book
Woman holding pen looking at teacher and students standing in language class
Rear view of women on street
Rear view of woman in library
Young female potter working with colleagues at ceramics workshop
Side view of young woman with protective mask in office
Stacked books on shelf by white wall
A ski teacher and kids learning skiing in the ski piste in the alps switzerland
Cropped hand of man touching book in shelf
Woman with face covered in hair holding picture frame
Teenage girls and boys studying together at table in living room
Full frame shot of paper fan
Female chef writing menu on whiteboard by colleagues in kitchen
Woman standing amidst books in store
Full frame shot of sky
Midsection of man holding book against sea during sunset
Boy looking at train against sky
Empty chairs in room
Cropped image of people stacking hands
Friends on line
Female potters looking at mature colleague using hand tool on vase at ceramic workshop
Engineer meeting for architectural project
Woman looking at sea against sky
Man holding locket in fist over mountain
Woman reading book seen through wet glass window
Rear view of girl learning mathematics on blackboard
Female engineer writing on whiteboard and explaining colleague in office
Using technology at home/holding a smartphone
Side view of businesswoman using laptop while sitting on floor in startup office
Girl talking while sitting with friends on floor in classroom
High angle view of people playing music in studio
Midsection of people working on table
Close-up of baby boy using computer
Side view of woman with books laughing while standing by door
Cropped image of teacher drawing on blackboard
Side view of student writing on whiteboard in language class
Young woman reading book while sitting on sofa at home
Teacher playing with children while sitting in classroom
Golf instructor
Cropped hand of woman holding light bulb with water against sky
Midsection of man using mobile phone while sitting on seat
Mature businessman greeting young colleague in meeting at office
Man standing against gray background
Midsection of man working
Midsection of woman playing guitar
Full length of girl with arms raised
Young short-haired modern woman working on the computer while sitting at the table in the kitchen
Serious young student writing in book while studying at table in university
Close-up of girl studying
Rear view of woman sitting in front of laptop
Side view of woman sitting and studying by laptop in living room
Cropped image of hand holding paper airplane made of map against houses
Baby girl crawling towards mother at home
Midsection of businessman using laptop while colleague using hand sanitizer
Close-up of woman hand holding notebook
Mother and child fixing bike
Asian cute kid stay at sofa at home she using fabric mask quarantine at home looking to the outside
Low section of well-dressed businessman sitting on chair
High angle view of girl reading book while sitting on chair at home
Rear view of woman outdoors