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
Modern telescope inside a sci-fi observatory dome during sunny day. Modern white telescope inside a sci-fi, geosphere observatory dome during a sunny day.
Rear view of relaxed African man in hoodie listening to music in wireless headphones, enjoying panoramic cityscape on observation deck while spending leisure in morning at daybreak.
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Professional male installer in uniform security camera to the ceiling in office room using tool and adjusts the angle. Monitoring and
A modern astronomical observatory building on a steep rocky coast. A modern astronomical observatory building on a steep rocky coast. Few concrete staircases with lanterns leading to it.
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.
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
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Female CCTV operator works on computer watching security cameras in office. Surveillance video footage on multiple monitors and digital
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Multiple monitors and big digital screen showing surveillance video footage. Female dispatch or CCTV operator works on computer in
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Girl Walking with roller skates in hand on Sunlit Pathway - Urban Spring Scene
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Professional male technician installing CCTV camera to the ceiling in office using tool and adjusts the angle. Monitoring and tracking technology close up
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Close up of female security operator or dispatch talking in walkie talkie and looking at screens sitting at workplace in monitoring center
Modern telescope starts tracking the star while the dome door opens.
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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Slow motion of serious and focused Caucasian teen boy peeking and carefully looking through gap between the iron fence while standing in the
Woman walking to viewpoint, looking at green forest, mountain landscape, view from back. Holiday on island, Cyprus. Troodos, Mount Olympus
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Caucasian female safeguard sits at the workplace in the office, looks at computer monitor with CCTV video footage from surveillance cameras
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity on big screen. Elements of this image furnished by NASA
Senior man enjoys river from observation deck
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Workplace for security worker or operator in dark modern monitoring center. Computer monitors, tablet display and big digital screen showing
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Male technician watches and controls surveillance cameras in modern office using tablet computer. Tablet screen shows recordings from CCTV
A man looking through a magnifying glass close-up
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Underwater Gray Whale taka a dive in stormy harsh waves of Pacific Ocean in Mexico. Beautiful endangered Grey whale diving down in deep
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Professional male technician or installer attaches security camera to the ceiling in office building using tool. Monitoring and tracking technology close up
Surveillance video footage from the security cameras in office displayed on computer monitors, tablet display and big digital screen in dark
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
Woman looking through big window with view on city 4K
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African American male CCTV operator controls office surveillance cameras using computer, works in modern monitoring center. Multiple
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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
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Female security worker or dispatch works on computer in monitoring center with CCTV cameras, talks on landline phone. Surveillance video
Exploring the Valley: Female Traveler Using Tower Optical Viewer near Old Castle
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Female security officer talks with African American male coworker, uses tablet computer with surveillance footage. Diverse CCTV operators
Advanced man backpacker looking through binoculars, planning route in forest, getting lost in woodland, free space
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Surveillance video footage from the office CCTV cameras with face recognition system displayed on computer monitors in dark monitoring
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Giant aquarium tank with Exotic large silver fish swim in oceanarium. Different kinds of fish in an oceanarium full of tropical animals and
Tourist telescope look at mountains in the Bukovel. Coin operated binocular slow motion
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
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Innovative Chemical in a Neon-Illuminated Laboratory Setting
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Clasped Hands with Blurred Children Playing in the Background
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Focused Man in Brown Beanie and Black Jacket Looking into the Distance
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Construction of the observation wheel in Riga, Latvia. Beautiful ferris wheel in the Victory park in the center of Riga with a beautiful view of the old town.
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Chemical Samples in a Laboratory With Neon Lighting
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Thoughtful Boy Gazing at Field with Blurred Background