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Mother and son enjoying a hike through lush green forest with giant cedar trees, exploring nature
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Mother and son enjoying a hike through lush green ...

Tonopah, Nevada - The Tonopah Historic Mining Park. Mining began here in 1900 with the discovery of
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Tonopah, Nevada - The Tonopah Historic Mining Park...

Diver underwater exploring Violescent sea-whip (Paramuricea clavata) on a rock in the Mediterranean
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Diver underwater exploring Violescent sea-whip (Pa...

Researcher holds cable and LED in an electrical experiment in the laboratory, Battery Research,
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Researcher holds cable and LED in an electrical ex...

Tonopah, Nevada - The Mizpah Mine hoist house at Tonopah Historic Mining Park. Mining began here in
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Tonopah, Nevada - The Mizpah Mine hoist house at T...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Tonopah, Nevada - The Mizpah Mine hoist house at Tonopah Historic Mining Park. Mining began here in
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Tonopah, Nevada - The Mizpah Mine hoist house at T...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Roald Amundsen in front of the Norwegian flag, Ny-Alesund, Spitsbergen, Svalbard
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Roald Amundsen in front of the Norwegian flag, Ny-...

Diver exploring a derelict shipwreck in calm, clear water. Dive site wreck Le Donator, Giens
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Diver exploring a derelict shipwreck in calm, clea...

Tourists explore dry landscape by off-road car, Kubu Island (Lekubu), Sowa Pan, Makgadikgadi salt
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Tourists explore dry landscape by off-road car, Ku...

Roald Amundsen between houses, Ny-Alesund, Spitsbergen, Svalbard
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Roald Amundsen between houses, Ny-Alesund, Spitsbe...

Tourists explore dry landscape by off-road car, Kubu Island (Lekubu), Sowa Pan, Makgadikgadi salt
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Tourists explore dry landscape by off-road car, Ku...

Female tourist shielding her eyes from the sun while exploring the unique hoodoo rock formations in
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Female tourist shielding her eyes from the sun whi...

Tourists enjoying walking on wooden pathway through lush green rainforest in ucluelet on vancouver
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Tourists enjoying walking on wooden pathway throug...

Young child pointing forward while exploring a lush rainforest trail on a wooden walkway,
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Young child pointing forward while exploring a lus...

Denis Papin (22 August 1647 to 26 August 1713, French physicist, mathematician and inventor,
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Denis Papin (22 August 1647 to 26 August 1713, Fre...

Tourist standing on a hoodoo rock formation, exploring the unique badlands landscape of drumheller,
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Tourist standing on a hoodoo rock formation, explo...

Visitors explore an atmospheric Christmas market with colorful lights, Aidlingen Christmas Market,
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Visitors explore an atmospheric Christmas market w...

Mother and child marveling at a giant hollow western red cedar tree while exploring a rainforest
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Mother and child marveling at a giant hollow weste...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Mother and son crouching on wooden boardwalk trail, exploring nature and pointing at something
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Mother and son crouching on wooden boardwalk trail...

A diver explores a rusty shipwreck on the seabed. Dive site wreck Ville de Grasse, Giens peninsula,
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A diver explores a rusty shipwreck on the seabed. ...

Young child ascending wooden steps on a lush rainforest trail, surrounded by vibrant green foliage
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Young child ascending wooden steps on a lush rainf...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Mother holds her son on her lap, applying sunscreen to his nose during a sunny day exploring the
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Mother holds her son on her lap, applying sunscree...

Female tourist walking and exploring horseshoe canyon in drumheller, alberta, a unique geological
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Female tourist walking and exploring horseshoe can...

Tonopah, Nevada - The Mizpah Mine hoist house and headframe at theTonopah Historic Mining Park.
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Tonopah, Nevada - The Mizpah Mine hoist house and ...

Domestic goats explore a traditional sod roofed wooden structure in qualicum beach, vancouver
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Domestic goats explore a traditional sod roofed wo...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Diver exploring a colourful shipwreck with a torch in her hand. Dive site wreck Michel C, Giens
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Diver exploring a colourful shipwreck with a torch...

Young boy exploring the lush rainforest, walking along a giant fallen log surrounded by towering
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Young boy exploring the lush rainforest, walking a...

Female hiker with backpack ascending wooden stairs on a lush rainforest trail in ucluelet,
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Female hiker with backpack ascending wooden stairs...

Female tourist wearing a straw hat and holding her hat while walking down a residential street in
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Female tourist wearing a straw hat and holding her...

Female tourist with backpack walking up wooden stairs in lush rainforest trail in ucluelet, british
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Female tourist with backpack walking up wooden sta...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Evangelista Torricelli (15 October 1608 - 25 October 1647) was an Italian physicist and
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Evangelista Torricelli (15 October 1608 - 25 Octob...

Researcher pours blue liquid from a beaker into a plastic bowl, Battery Research, Nagold, Germany
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Researcher pours blue liquid from a beaker into a ...

Female tourist wearing sandals walking on the rocky terrain of the hoodoos in drumheller, alberta,
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Female tourist wearing sandals walking on the rock...

Young child smiles while exploring a lush rainforest trail in ucluelet, a town on vancouver island,
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Young child smiles while exploring a lush rainfore...

Tonopah, Nevada - The Central Nevada Museum. Museum exhibits explore the mining and ranching
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Tonopah, Nevada - The Central Nevada Museum. Museu...

Young boy running up wooden stairs surrounded by lush green forest on giant cedars boardwalk trail
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Young boy running up wooden stairs surrounded by l...

Diver explores a purple coral, color-changing gorgony (Paramuricea clavata), overgrown underwater
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Diver explores a purple coral, color-changing gorg...

Mother and son descending metal stairs at the hoodoo trail in drumheller, alberta, canada,
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Mother and son descending metal stairs at the hood...

Couple and salesman discussing upholstery fabric swatches in furniture store, exploring options for
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Couple and salesman discussing upholstery fabric s...

Father playfully lifting son high while exploring the giant cedars boardwalk trail in mount
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Father playfully lifting son high while exploring ...

Tourist walking on a wooden walkway. Wearing a straw hat and a red jumpsuit. Exploring the colorful
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Tourist walking on a wooden walkway. Wearing a str...

Stunning Obidos medieval castle and surrounding historic houses under a clear blue sky in Portugal
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Stunning Obidos medieval castle and surrounding hi...

Young tourist exploring arid landscape, Kubu Island (Lekubu), Sowa Pan, Makgadikgadi salt pans,
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Young tourist exploring arid landscape, Kubu Islan...

Main entrance to the University of Erfurt on Nordhäuser Straße
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Main entrance to the University of Erfurt on Nordh...

A wooden jetty reaches into the calm waters of Lake Geneva, where a small boat is moored. Mountains
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A wooden jetty reaches into the calm waters of Lak...

Young man smiling and wearing a backpack, exploring the historic architecture of notre dame
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Young man smiling and wearing a backpack, explorin...

Tourist with off-road car exploring dry landscape, Kubu Island (Lekubu), Sowa Pan, Makgadikgadi
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Tourist with off-road car exploring dry landscape,...

Magdeburg hemispheres by Thomas Virnich 2012, monument to physicist and mathematician Otto von
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Magdeburg hemispheres by Thomas Virnich 2012, monu...

African american man feeling happy listening to music on headphones while exploring a european city
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African american man feeling happy listening to mu...

People exploring ancient ruins on the beach under a clear blue sky, Agios Stefanos Beach, Agios
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People exploring ancient ruins on the beach under ...

Tourist wearing a straw hat and a red jumpsuit is walking on a wooden walkway exploring the
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Tourist wearing a straw hat and a red jumpsuit is ...

Young black man with a backpack and flat cap looking out while walking in front of notre dame
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Young black man with a backpack and flat cap looki...

Enthusiastic young black man expressing happiness and positivity with a thumbs up gesture,
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Enthusiastic young black man expressing happiness ...

Young man using a smartphone and wearing headphones, a backpack, and a casual plaid shirt while
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Young man using a smartphone and wearing headphone...

Tourist with off-road car exploring dry landscape, Kubu Island (Lekubu), Sowa Pan, Makgadikgadi
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Tourist with off-road car exploring dry landscape,...

Main building of the Rheinische Friedrich-Wilhelms-Universität Bonn
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Main building of the Rheinische Friedrich-Wilhelms...

Young african american man smiling and pointing, enjoying a night out in paris and exploring an
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Young african american man smiling and pointing, e...

Two women holding arms, enjoying an evening stroll together while exploring the illuminated city
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Two women holding arms, enjoying an evening stroll...

Stefan Rahmstorf (climate researcher at the Potsdam Institute for Climate Impact Research) speaks
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Stefan Rahmstorf (climate researcher at the Potsda...

Tourist walking in horseshoe canyon near drumheller, alberta, under the summer sun, exploring the
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Tourist walking in horseshoe canyon near drumhelle...

Young black man riding a modern escalator in a downtown shopping mall, wearing a backpack and
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Young black man riding a modern escalator in a dow...

Young black man wearing a beret, coat, and backpack exploring the brightly lit streets of paris,
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Young black man wearing a beret, coat, and backpac...

Stefan Rahmstorf (climate researcher at the Potsdam Institute for Climate Impact Research) speaks
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Stefan Rahmstorf (climate researcher at the Potsda...

Young boy wearing a blue cap and a t shirt is exploring the unique sandstone hoodoo formations in
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Young boy wearing a blue cap and a t shirt is expl...

Tourist exploring the arid landscape of the canadian badlands, walking through the unique
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Tourist exploring the arid landscape of the canadi...

Young man smiling and turning back while exploring a historic street in paris, enjoying his leisure
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Young man smiling and turning back while exploring...

People and children exploring ancient ruins on the beach in sunny weather, Agios Stefanos Beach,
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People and children exploring ancient ruins on the...

Obidos features a stunning medieval castle rising above white houses and terracotta rooftops,
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Obidos features a stunning medieval castle rising ...

Relief in the entrance area of the University of Erfurt on Nordhäuser Straße
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Relief in the entrance area of the University of E...

Young happy interracial couple enjoying a romantic date night, walking arm in arm and exploring the
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Young happy interracial couple enjoying a romantic...

A buoy bobs gently on the calm waters of Lake Geneva, surrounded by serene mountains. The early
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A buoy bobs gently on the calm waters of Lake Gene...

Young black man with a backpack exploring the illuminated streets of paris at night, enjoying an
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Young black man with a backpack exploring the illu...

Diverse couple walking arm in arm on an illuminated city street at night, exploring urban
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Diverse couple walking arm in arm on an illuminate...

Blooming jacaranda trees line the street as Belem Tower stands majestic over the Tagus River at
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Blooming jacaranda trees line the street as Belem ...

Main building of the Rheinische Friedrich-Wilhelms-Universität Bonn
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Main building of the Rheinische Friedrich-Wilhelms...

Male tourist wearing sunglasses and a baseball cap, exploring the beautiful beaches and lush
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Male tourist wearing sunglasses and a baseball cap...

Friedrich Wilhelm Ernst Albrecht von Graefe (22 May 1828 - 20 July 1870) was a German
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Friedrich Wilhelm Ernst Albrecht von Graefe (22 Ma...

Divers explore a shipwreck surrounded by colourful Violescent sea-whips (Paramuricea clavata) and
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Divers explore a shipwreck surrounded by colourful...

Alexandrine, Alexine, Pieternella Françoise Tinne (17 October 1835 - 1 August 1869) was a Dutch
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Alexandrine, Alexine, Pieternella Françoise Tinne...

Two divers explore an overgrown shipwreck in deep blue water. Dive site wreck Le Donator, Giens
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Two divers explore an overgrown shipwreck in deep ...

Medical research and development in advanced lab or research center. Development of new vaccines
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Medical research and development in advanced lab o...

Young owl exploring its surroundings on foot... European eagle owl (Bubo bubo) intensively
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Young owl exploring its surroundings on foot... Eu...

Young fox... Red fox (Vulpes vulpes), fox pup, young fox, young exploring the environment, native
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Young fox... Red fox (Vulpes vulpes), fox pup, you...

Schmidtchen Schleicher... European Eagle Owl (Bubo bubo), already fledged young bird is on foot in
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Schmidtchen Schleicher... European Eagle Owl (Bubo...

Research on the move... European eagle owl (Bubo bubo), young, already fledged owl, young bird sits
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Research on the move... European eagle owl (Bubo b...

On the way to discover the world... European Eagle Owl (Bubo bubo), young owl, branchling, has left
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On the way to discover the world... European Eagle...

Young fox... Red fox (Vulpes vulpes), adolescent young fox exploring its habitat curiously and
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Young fox... Red fox (Vulpes vulpes), adolescent y...

On the move... European Eagle Owl (Bubo bubo), young bird in moult has left the nest in a sand pit
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On the move... European Eagle Owl (Bubo bubo), you...

Friedrich Wilhelm Heinrich Alexander von Humboldt (born 14 September 1769 in Berlin, died 6 May
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Friedrich Wilhelm Heinrich Alexander von Humboldt ...

A couple is exploring options at a car dealership, looking closely at a vehicle. They appear
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A couple is exploring options at a car dealership,...

Indigenous and European researcher in the Brazilian jungle, river, inner tropics, tropical
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Indigenous and European researcher in the Brazilia...

Divers explore a paddle wheel covered with sea sponges in the Mediterranean near Hyères, Wreck
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Divers explore a paddle wheel covered with sea spo...

Friedrich Wilhelm Heinrich Alexander von Humboldt (b. 14 September 1769 in Berlin, d. 6 May 1859 in
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Friedrich Wilhelm Heinrich Alexander von Humboldt ...

Friedrich Wilhelm Heinrich Alexander von Humboldt (b. 14 September 1769 in Berlin, d. 6 May 1859 in
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Friedrich Wilhelm Heinrich Alexander von Humboldt ...

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