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    Teacher and students using pipette and beakers at interactive exhibit in science center — Stock Photo
    Teacher and students using pipette and beakers at interactive exhibit in science center
    Picturesque view of blue water among rocks reflecting sky with traveler walking on stones in daylight — Stock Photo
    Picturesque view of blue water among rocks reflecting sky with traveler walking on stones in daylight
    Boy sitting in the middle of the field picking grass — Stock Photo
    Boy sitting in the middle of the field picking grass
    Side view of unrecognizable sportsman riding snowboard on snowy mountain in winter, Glaciar Aletsch desde el viewpoint de Eggishorn en Fiesch, Switzerland — Stock Photo
    Side view of unrecognizable sportsman riding snowboard on snowy mountain in winter, Glaciar Aletsch desde el viewpoint de Eggishorn en Fiesch, Switzerland
    Woman stretching her arms between ancient Inca walls, Cusco, Peru — Stock Photo
    Woman stretching her arms between ancient Inca walls, Cusco, Peru
    Illustration of Mars planet in shadow on black background. — Stock Photo
    Illustration of Mars planet in shadow on black background.
    Side view of a Caucasian couple having a good time on a trip to the mountains, a man is lying on a hammock, and a girl is standing by him, kissing — Stock Photo
    Side view of a Caucasian couple having a good time on a trip to the mountains, a man is lying on a hammock, and a girl is standing by him, kissing
    Illustration of Earth, Moon and Sun with passing comet. — Stock Photo
    Illustration of Earth, Moon and Sun with passing comet.
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious, smiling students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Grandfather carrying daughter on shoulders below trees in sunny autumn park — Stock Photo
    Grandfather carrying daughter on shoulders below trees in sunny autumn park
    Rear view of a Caucasian woman having a good time on a trip to the mountains, standing on a cabin balcony, enjoying her view, on a sunny day — Stock Photo
    Rear view of a Caucasian woman having a good time on a trip to the mountains, standing on a cabin balcony, enjoying her view, on a sunny day
    Woman sitting on her adventure touring bike at Salinas Grandes / Jujuy — Stock Photo
    Woman sitting on her adventure touring bike at Salinas Grandes / Jujuy
    Close-up of slide on light microscope stage. — Stock Photo
    Close-up of slide on light microscope stage.
    A Caucasian girl with long blonde hair enjoying time in a sunny garden, exploring, running, holding a watering can, wearing a straw hat — Stock Photo
    A Caucasian girl with long blonde hair enjoying time in a sunny garden, exploring, running, holding a watering can, wearing a straw hat
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    Woman walking along black sand beach in snow, Iceland — Stock Photo
    Woman walking along black sand beach in snow, Iceland
    Still life of microscope on laboratory bench. — Stock Photo
    Still life of microscope on laboratory bench.
    Woman with traditional umbrella walking next to Buddhist pagoda — Stock Photo
    Woman with traditional umbrella walking next to Buddhist pagoda
    Ethnic girl showing green plant to brother while looking away and sitting on terrain with paper map and loupe in woods — Stock Photo
    Ethnic girl showing green plant to brother while looking away and sitting on terrain with paper map and loupe in woods
    Students and teacher smiling in tent at campsite — Stock Photo
    Students and teacher smiling in tent at campsite
    Woman walking into manour house style boutique hotel in Colombo — Stock Photo
    Woman walking into manour house style boutique hotel in Colombo
    Two friends riding their motorcycles in north Thailand — Stock Photo
    Two friends riding their motorcycles in north Thailand
    Rear view of a Man standing by Barents Sea in winter with his arms outstretched, Murmansk, Russia — Stock Photo
    Rear view of a Man standing by Barents Sea in winter with his arms outstretched, Murmansk, Russia
    Back view of explorer with backpack standing enjoying freedom while travelling in mountains — Stock Photo
    Back view of explorer with backpack standing enjoying freedom while travelling in mountains
    Cropped shot of girl holding a leaf — Stock Photo
    Cropped shot of girl holding a leaf
    Boy walking through the woods in winter, United States — Stock Photo
    Boy walking through the woods in winter, United States
    Adorable joyful child in red raincoat and rubber boots having fun jumping in puddle on street in park in gray day — Stock Photo
    Adorable joyful child in red raincoat and rubber boots having fun jumping in puddle on street in park in gray day
    From above breathtaking landscape of numerous boats and buildings on seashore in Alicante Spain — Stock Photo
    From above breathtaking landscape of numerous boats and buildings on seashore in Alicante Spain
    Safari travel group tranquil remote hill South Africa — Stock Photo
    Safari travel group tranquil remote hill South Africa
    Three children in a field at sunset with their golden retriever dog, United States — Stock Photo
    Three children in a field at sunset with their golden retriever dog, United States
    Sailboat on ocean under sunny blue sky — Stock Photo
    Sailboat on ocean under sunny blue sky
    Boy sitting on rocks by a river, United States — Stock Photo
    Boy sitting on rocks by a river, United States
    Person walking on country road between sea and field — Stock Photo
    Person walking on country road between sea and field
    Female hiker looking at mountain view, Banff National Park, Alberta, Canada — Stock Photo
    Female hiker looking at mountain view, Banff National Park, Alberta, Canada
    Positive young female hiker in warm clothes with photo camera on neck practicing Nordic walk in autumn forest and looking away dreamily — Stock Photo
    Positive young female hiker in warm clothes with photo camera on neck practicing Nordic walk in autumn forest and looking away dreamily
    UK map formed in fumes from dangerous science experiment — Stock Photo
    UK map formed in fumes from dangerous science experiment
    Happy man riding bike on beach — Stock Photo
    Happy man riding bike on beach
    Charms hanging from ceiling in Yangshuo — Stock Photo
    Charms hanging from ceiling in Yangshuo
    Boy standing by ocean looking through a telescope — Stock Photo
    Boy standing by ocean looking through a telescope
    Female hiker walking up towards Pen Y Fan in Wales — Stock Photo
    Female hiker walking up towards Pen Y Fan in Wales
    Attentive ethnic child with magnifying glass examining tree trunk while leaning forward during hike in woods — Stock Photo
    Attentive ethnic child with magnifying glass examining tree trunk while leaning forward during hike in woods
    Female scientists in protective workwear examining specimen — Stock Photo
    Female scientists in protective workwear examining specimen
    Couple hiking along lake in woods — Stock Photo
    Couple hiking along lake in woods
    Boy standing in the woods in autumn, United States — Stock Photo
    Boy standing in the woods in autumn, United States
    Woman sits in tent with dogs — Stock Photo
    Woman sits in tent with dogs
    Close-up of a serious man looking away and in the background an blurred girl leaning against an abandoned wooden house — Stock Photo
    Close-up of a serious man looking away and in the background an blurred girl leaning against an abandoned wooden house
    Five children in the forest climbing a tree, United States — Stock Photo
    Five children in the forest climbing a tree, United States
    Close-up of glass syringe with stand arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand arranged on table in laboratory
    Boy standing in a lake, Lake Superior, United States — Stock Photo
    Boy standing in a lake, Lake Superior, United States
    Wooden and mast and sailboat sails below sunny blue sky — Stock Photo
    Wooden and mast and sailboat sails below sunny blue sky
    Man riding his adventure motorbike on dusty road in Cambodia — Stock Photo
    Man riding his adventure motorbike on dusty road in Cambodia
    Men exploring ice cave in Thrsmrk - Iceland — Stock Photo
    Men exploring ice cave in Thrsmrk - Iceland
    Thirsty male hiker drinking fresh water from bottle while sitting on rock near river in jungles — Stock Photo
    Thirsty male hiker drinking fresh water from bottle while sitting on rock near river in jungles
    Young woman hiking in colorful autumn landscape in the Austrian Alps — Stock Photo
    Young woman hiking in colorful autumn landscape in the Austrian Alps
    Man standing on top of vehicle parked on the Makadikadi Salt Pans in Botswana. — Stock Photo
    Man standing on top of vehicle parked on the Makadikadi Salt Pans in Botswana.
    Female scientist in hijab and face mask using digital tablet — Stock Photo
    Female scientist in hijab and face mask using digital tablet
    Traveling male photographer taking pictures on photo camera during summer adventure in forest — Stock Photo
    Traveling male photographer taking pictures on photo camera during summer adventure in forest
    Light streams of light in luminous ball in dark — Stock Photo
    Light streams of light in luminous ball in dark
    Illustration of grey Mercury planet on white background. — Stock Photo
    Illustration of grey Mercury planet on white background.
    Sightseeing medieval ruined castle against cloudy sundown sky in countryside in Toledo — Stock Photo
    Sightseeing medieval ruined castle against cloudy sundown sky in countryside in Toledo