Portrait of senior man enjoys a city life from observation deck
A man looking through a magnifying glass close-up
Dispatcher in airport controls the air-traffic with binoculars
Aerial drone view on the telecommunication tv tower of Dusseldorf, Germany along the rhine river.
Close-Up of Student's Hands Annotating Lecture Notes with Pen
The man stands on the top of building on the starry cityscape background
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
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A man explores the Grand Canyon, enjoying stunning views barefoot.
Paris, France - The Tour Eiffel Tower La dame de fer seen from Parvis des Droits de l'Homme
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.
Radio telescope explores night sky
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
Senior man enjoys river from observation deck
Advanced man backpacker looking through binoculars, planning route in forest, getting lost in woodland, free space
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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Woman looking night cityscape standing at railings observation deck back view. Dreamy girl enjoying twilight over evening lights closeup
Two researchers in development center monitoring behavior of hurricane exploring live map changes. Elements of this image furnished by NASA
Security guards eating donuts while watching the surveillance cameras on screen while working late at night in an office with modern equipment
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity on big screen. Elements of this image furnished by NASA
Professional chemist wearing protective uniform with gloves mixing blue solution in flask and looking close-up, observation. Working in modern laboratory, researching and experiments.
Man traveler stands on the observation deck in the national park of mountain Seceda in the Dolomites. Alps mountains in autumn or winter
Costa Rican canopy, home to the Ateles geoffroyi spider monkeys.
Multiracial team of scientists celebrating the end of the research by making cheers with dry-ice cocktails in big and bright chemistry lab. Skyscrapers in the background.
The silhouette of a massive earth-based space observatory satellite telescope scanning the night sky.
Cheerful African-American girl in swimsuit waving on beach tower
Curious View from Home: Boy by Window, Holding Giant Strawberry, Peeks Out Excitedly
Lifeguard tower at the beach
Breathtaking aerial view of historical center and Yekaterinburg -City district in summer. Stock footage. Close up of Vysotsky skyscraper
Tractor in front of hunting Tower at dawn 4K
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
A person explores the moon with a telescope
Radio telescope explores evening sky against scenic sunset
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Woman in dress and straw hat stands by a stone wall, overlooking a lush, mountainous landscape with small villages and a misty sky.
Scene tilts up from a Victorian era scientist using a dip pen to make some notations to his looking through a microscope typical of the time period.
close up of walking feets in dark spooky night. police crime observation. criminal drug dealer
JAIPUR, INDIA - NOVEMBER 19, 2012: Astrology observatory 18th century in Jaipur, India, 19 nov 2012
Middle aged active woman tourist peering into distance with binoculars, hiking with backpack in forest, empty space
surveillance monitoring. observation supervision. security camera view. persons
Middle-aged woman with a bob hairstyle holds a doll in her hands and tells her topic in a group therapy for adults
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Woman Observing Painting in Room
Microscope in medical laboratory
Close up footage of a surveillance cam on a building...
Radio telescope array night time-lapse
Stars Sky Turning Space Astrophotography Time Lapse with Satellite dish communication technology network .
Thoughtful little girl daydreaming, closeup of pensive 8 year old child face in deep introspection staring at view from bus window
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity. Elements of this image furnished by NASA
Wild red deer in the misty morning during rutting season. Binocular observation.
Aerial view of the Meteor Crater Natural Landmark at Arizona. Crater from a meteorite, from space. Elements of this image furnished by NASA. High quality photo