Girl (13-14) lying on grass reading, smiling
Teenage girl (13-14) with plaits, portrait
Mother and son (13-14) and daughter (8-9) at the beach
Three teenage girls (13-14) playing with make-up in friends bedroom
Portrait of teenage boy (13-14) wearing traditional Albanian costume
Group of teenagers (13-14) (14-15) riding bikes, front view
Father and son (13-14) mowing lawn, portrait, smiling
14 years old girl wearing a body protector galloping on a thoroughbred mare in spring
Teenage boy (13-14) playing video games on bed, portrait
Portrait of a fourteen year old girl.
Teenage boy (13-14) and mid adult woman on white background, portrait
Bending, 14-15 Years, Bare Chest, Asian Ethnicity, Adolescence, Bizarre Fashion, 13-14 Years
Family with two children (10-11), (14-15), posing on yacht, portrait
7 years old girl learning to ride a bicycle with her mother.
Boy (10-13) with fishing rod standing on rock
Female (14-16) fencer holding foil, side view
Father, son, Mountainbikes, river bed, crossed, back light Series, man, 30-40 years, single, child, boy, 14 years, Mountainbi...
Father, son, Mountainbikes, river bed, crossed, back light Series, man, 30-40 years, single, child, boy, 14 years, Mountainbiking, Mountainbiker, bicycling, cycling, sport, athletically, water, drives, together, side by side, activity, fitness, hobby, Ca
Grandfather, father and son (14-15) lying on bed
Springville, Utah, USA, Ballet dancer (12-13) stretching
Grandfather relaxing in hammock with granddaughter (13-14), in garden
Family, happily, Strandspaziergang, Parents, 30-40 years, children, three, girls, daughters, boy, son, 6-14 years, hand in ha...
Family, happily, Strandspaziergang, Parents, 30-40 years, children, three, girls, daughters, boy, son, 6-14 years, hand in hand, harmony, luck, family luck, leisure time, vacation, family vacation, walk, enjoying beach, sandy beach sea azure, cloudless
Female footballers (12-14) on pitch, head in hands
13 month old baby girl eating alone. Independence training.
Father and teenage son (14-16) standing back to back, portrait
8 years old child suffering from bellyache.
7 years old girl playing with her mother outdoors.
Portrait of a teenage girl holding a gift
Mother and her 9-year-old daughter using laptop computer
Teenagers, girls, blond, gaze lowered, sorrowfully, side-portrait series people, teenager-girls, 14 years, long-haired, unhap...
Teenagers, girls, blond, gaze lowered, sorrowfully, side-portrait series people, teenager-girls, 14 years, long-haired, unhappy, however, sorrow, love-sorrow, gets along, waits, thinks, thoughts, feelings, naturalness, youth, puberty, studio, indoors, fre
Mother and daughter looking at map near closed road sign
Teenage girl (14-16) holding soccer ball, smiling, portrait
Preteenage girl and mirror
Group of teenagers (13-14) standing beside each other, embracing, portrait
Classrooms, students, portrait, smile, Series, 12-14 years, teenagers, boy, blond, school book, reading, looks up, learning, ...
Classrooms, students, portrait, smile, Series, 12-14 years, teenagers, boy, blond, school book, reading, looks up, learning, self-confidence, contentment, symbol, school, instruction, education, formation, Pisa-Studie, interior,
Boy (11-13) smiling, close-up, portrait
Three teenagers (13-16) sitting side by side, singing
Portrait of teenage girl (16-17), teenage boy (14-15) and young man sitting outside tent, smiling, high angle view
Boy, swimmer, 12 or 13 years, portrait, at the swimming pool
Boy, 12 or 13 years, portrait
Teenage girl holding a candlestick
Two girls (12-14) sitting outdoors, low angle view
Teenage girl (13-14) posing, portrait
7 years old boy with Down's syndrome with his sister
Teenage boy (13-14) aiming slingshot, portrait
Portrait of a teenage girl smiling with braces on her teeth
Son (12-13) leaning on back of father, portrait
Portrait of a teenage boy.
Two teenage girls (13-15) holding clothes on hangers in change room
A teenage boy using a mobile phone.
Friends Looking at Book Together
Low Angle View Portrait of Blond, Teenage Girl wearing Hat and holding Shopping Bags in Air, Studio Shot on White Background
Girl (8-10) whispering in teenage sister's (13-15) ear, close-up
Teenage girls (13-15) diving in water, elevated view
Girl (12-13) sitting on hardwood floor, using mobile phone
Girls (9-13) playing with jumping rope in street
Portrait of Teenage Girl in Skatepark, Feudenheim, Mannheim, Baden-Wurttemberg, Germany,07/10/2013
Girl (12-13) talking on cellphone, smiling, portrait
Mother and daughter (13-15) on sofa with bowl of popcorn, smiling
Boy sitting with his sister in a rocking chair, c. 1915
Teenagers, clique, activity, cell phones, group-picture, sit broached, series, people, youth, teenagers, 12-14 years, girls, ...
Teenagers, clique, activity, cell phones, group-picture, sit broached, series, people, youth, teenagers, 12-14 years, girls, boys, five, friends, friendship, together, schoolyard, schoolyard, leisure time, outside, wall, leans, telephones, communication,
Two girls on a laptop computer
Teenage girl (14-16) looking up, close-up
Three girls holding hands.
2 teenage girls and teenage boy using remote control
nationwide vaccination campaign against cervical cancer The vaccin has not proven to be affective Many mothers are reluctant ...
nationwide vaccination campaign against cervical cancer The vaccin has not proven to be affective Many mothers are reluctant to let their child vaccinated and fear negative side effects of the drug The result is only 70 of children between 14 and 17 years
A girl making a snow angel
Teenage girl (13-15) leaning against brick wall in corridor, portrait
Three boys (9-13) on bikes, smiling
Backview of boy sitting on skateboard outdoors in an industrial area and looking at cell phone, Germany,08/21/2013
Group of teenagers with their teacher
Siblings, 7, 11, 13 years old, with laptop computer in the living room, playing a car racing computer game
bubbles, sea, bottom, fish, undersea, girl
Teenage girl Christmas present
Father and daughter. Father and his 7 years old daughter.
Orthodontist examining a 13 years old teenager's panoramic X-ray.
Teenage girls laying in leaves listening to mp3 player
Teenage girl revising exams.
Low angle view of a young woman playing with a Rubik cube
Mischiefly boy spilling glass on the table.
Preteen girl with ski goggles, portrait
Young woman studying and using her laptop computer.
13 years old boy reading underwater
Boy (12-13) crouching on beach, profile
Studio shot of girl 12_13 jumping with arms raised
Portrait of a boy with a skateboard, Sweden.
Friends, tailor-seat, school books, learns, cell phone, telephones, series, people, youth, girls, schoolgirls, teenagers, tee...
Friends, tailor-seat, school books, learns, cell phone, telephones, series, people, youth, girls, schoolgirls, teenagers, teenagers, 14-16 years, two, sits, communication, telecommunication, telephone conversation, books, summers, outside, leisure time, b
Group of Children Lying in a Circle
class, student, youth, young, students, school
Close-up of a boy playing a video game with his friends
Boy with his arm raised in a classroom
A woman and a child working together in a garden. A young girl holding a young plant with green foliage and a healthy rootbal...
A woman and a child working together in a garden. A young girl holding a young plant with green foliage and a healthy rootball in her hands.
Portrait of confident schoolboy showing thumbs up with books
Country mother embracing son
Studio portrait of female high school listening to music on headphones
Teenage girl 16_17 years squatting on stone by stream in forest
East Indian man hugging his mother
Mother and Teenage Daughters
Portrait of a mature couple and a mid adult couple standing with a teenage girl
Student showing teacher and classmates his artwork (selective focus)
Happy Family Enjoying the Beach
Girls practicing in a ballet school, Hefei, Anhui Province, China
Multi-ethnic girls in snow drinking hot cocoa
A man and two children at home, a boy and a girl.
France, Paris, fireworks (14th of July, 2009, french national Holiday)
Two boys sitting in the snow up on a mountain, Italy.
Close-up of Boy's Bare Feet on Grass, Alps, France
Hispanic teenaged girls eating watermelon
Camargue horses in the marshes of the Camargue RNP
Students playing instruments in music class
Group of children (7-12) blowing bubbles outdoors
Portrait of a teenage girl standing on the beach
MOENCHENGLADBACH, GERMANY - JULY 13: United States players Heather O´Reilly L and Alex Krieger R defend against Gaetane Thine...
MOENCHENGLADBACH, GERMANY - JULY 13: United States players Heather O´Reilly L and Alex Krieger R defend against Gaetane Thiney of France C during the FIFA Women´s World Cup semifinal match at Stadion im Borussia Park on July 13, 2011 in Moenchengladbach,. MOENCHENGLADBACH, GERMANY - JULY 13: United States players Heather O´Reilly L and Alex Krieger R defend against Gaetane Thiney of France C during the FIFA Women´s World Cup semifinal match at Stadion im Borussia Park on July 13, 2011 in Moenche
Portrait of four middle school students
Manager working in an office with a trainee at the computer
Long queue of people in street, side view
Boys (6-12) sitting on steps in park
Teenage girl (14-15) standing in studio, elevated view
Father and pre_teen son giving a high_five while golfing.
Portrait of a girl wearing a hat and gloves
Teenage girl 13_15 sitting on sofa and using digital tablet
African American girl trying on eyeglasses in store
Boy with books in speech bubble, portrait
Portrait of a girl wearing headphones listening to music
A girl and a boy playing card, Sweden.
Siblings exploring tree bark
Portrait of a girl holding her hat
Family walking on the beach
Multi-ethnic girls in snow holding digital camera
Teenage girl (13-15) standing outside
Young woman taking contraceptive pills.
Portrait of a girl and her grandmother
Teenage boy holding brain in science classroom
Excited girl holding present
Portrait of a boy and a girl lying on top of a haystack
sisters hiding behind a tree in a park, edmonton alberta canada
Father and Son Driving Trunk
Middle school floor hockey team.
Portrait of Teenage Boy Pointing at Camera, Studio Shot,04/28/2013
Teenage girl filling water bottle
Happy grandfather and grandson sitting outdoors
sea, way, ocean cliff, signpost, cross, heaven
Hospital staff welcoming a patient for a long term stay.
Teenage girls at birthday party
Portrait of a boy sitting against a hay bale
Rear view of two brothers fishing near a lake
grand parents and grand children in tropical house
class practicing yoga with instructor in a bright room surrounded with glass
Close-up of boy reading book on bed
High School Student Studying
Caucasian girl using laptop and listening to mp3 player
seasons, festivities, festive, merry christmas, winter
Hispanic father feeding fruit to daughter
Vennesla Library, Library, Europe, Norway, , 2012, Helen & Hard. Interior view of people using study pods.
New York, United States.Rear view of a boy in uniform running to kick a soccer ball.
Close-up of a teenage girl (15-17) eating a plum from a plate in her hand
Portrait of a young girl (13-14) waving goodbye to her parents sitting at the breakfast table
Scared Girl on Kitchen Floor Behind Boy's Hands on Table
Close-up of two girls looking at an illuminated jack o' lantern
Portrait of a family wearing scuba masks and snorkels
Lady with red balloon's and a cake
Close-up of three fathers with their sons wearing baseball gloves in a baseball field
Four teenage girls (15-17) wearing towels, talking by swimming pool
The semi arid region of the Great Karoo attracts both photographers and star gazers to enjoy the dramatic scenery and contras...
The semi arid region of the Great Karoo attracts both photographers and star gazers to enjoy the dramatic scenery and contrast of day time and the unbelievable clear skies of night, Sutherland, South Africa
Coach Helping Young Woman onto Parallel Bars
Portrait of girl (12-13) texting on her mobile
Teenage girl (14-15) wearing glasses
Teenage couple (15-17) lying on grass
Mid section view of a schoolgirl walking on the road
Student (15-17) in classroom
Girls (9-12) with bicycle, smiling, portrait