Portrait of senior man enjoys a city life from observation deck
Close-Up of Student's Hands Annotating Lecture Notes with Pen
Dispatcher in airport controls the air-traffic with binoculars
The man stands on the top of building on the starry cityscape background
A Victorian era scientist working in his laboratory using a dip pen to document observations made through a brass microscope typical of the time period.
Young woman enjoys breathtaking Grand Canyon view from desert observation point
Businessman writing ideas in a notebook at sunset. Men makes notes in a notebook on paper at sunset. Concept of generating ideas and business projects
Radio telescope explores night sky
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity on big screen. Elements of this image furnished by NASA
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
helicopter flying by. chopper aircraft in flight. police observation background
One Young Man Gazing Up At Sky Observing Upwards Male Person Close Up Head Looks Above In Wonder And Contemplation Contemplating Life And The Universe Enjoying The Beauty Of Nature And The Sky Searching For Inspiration And Hope
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Front View of Girl Walking at Sunset with Calm Expression - Urban Scene
Senior man enjoys river from observation deck
Tourists on Observation Deck of Mount Pilatus Top in Winter Sunny Morning. Blue Mountains. Swiss Alps, Switzerland. Aerial View. Drone Flies Upwards, Tilt Down
Advanced man backpacker looking through binoculars, planning route in forest, getting lost in woodland, free space
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Exotic large fish swim in the oceanarium. Different kinds of fish in an oceanarium full of tropical animals and plants. Fish swimming
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
Prisoners and communist militia at midnight. The clip can illustrate Persecution of Christians in the Eastern Bloc.
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Closeup macro of Exotic large silver fish swim in oceanarium. Different kinds of fish in an oceanarium full of tropical animals and plants
Curiosity Mars Rover exploring the surface of red planet
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Back view of Caucasian female security worker or guard sitting at the workplace in the office, working on computer with displayed
Lifestyle portrait of calm African American man listening to music in wireless headphones, enjoying panoramic urban view at dawn while standing on observation deck.
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African American male security guard sits at the workplace in the office, looks at computer monitor with surveillance video footage from
A man looking through a magnifying glass close-up
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Closeup macro of Exotic weird fish laying at the botom in oceanarium. Different kinds of fish in an oceanarium full of tropical animals
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Cobra. A hand is gently holding a bottle which contains a mysterious specimen in an exceptionally serene outdoor setting
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African American security operator monitors CCTV cameras in office on computer. Multiple monitors and big digital screen showing
Black woman silhouette with hijab enjoys view of river from observation ground under bridge. Muslimah on town waterfront. Islamic traditions in urban life
A person explores the moon with a telescope
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Laboratory Chemist Chemicals Under Neon Light in Modern Research Facility
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Chemist Chemicals in Modern Laboratory With Neon Purple Lighting
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A father holds his son up to look through a telescope, the son peers through it while the father smiles, with warm sunlight reflecting on
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Male mature installer sets up angle of CCTV camera, uses tablet computer with displayed security cameras video footage on screen. View from
JAIPUR, INDIA - NOVEMBER 19, 2012: Astrology observatory 18th century in Jaipur, India, 19 nov 2012
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Coach Observing Boys Playing Football While Leaning on Workout Equipment
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Female security worker talks with African American male colleague, uses tablet computer. Multiethnic surveillance operators control security
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Confident girl Farmer in denim overalls with red curly hair inspecting plants in a field on a farm
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A father lovingly holds his son up to a telescope, guiding him as the boy peers through it with curiosity, the father supports the telescope
A coin telescope by a white rail with a view at a sea and the cloudy gray sky
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Thoughtful Young Boy Adjusting Near Iron Bar Under Overcast Sky
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Chemist Samples in Neon-Lit Laboratory Researching Innovative Medicine
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In a school garden, a young biracial student examines flowers with a magnifying glass
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Surveillance Technology Online Data Collection Digital Privacy Internet Monitori
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Female CCTV operator controls office surveillance cameras with face recognition using computer, works in modern monitoring center. Multiple
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Girl Carrying Skateboard Walking Through Park on Sunny Day - Peaceful Atmosphere
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Surveillance video footage from the office security cameras with face recognition system displayed on computer monitors in dark modern
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Happy teenage girl in a yellow jacket holds an umbrella and watches water drops flow down it during heavy rain while walking in the park