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White-throated Bee-eater (Merops albicollis) perched on a branch, Lake Natron, Tanzania

BRK26I49_495

White-throated Bee-eater (Merops albicollis) perch...

Caryophyllaceae, Dianthus deltoides, heather clove, flora, high size, portrait, lean grass, maiden

BRK26I24_192

Caryophyllaceae, Dianthus deltoides, heather clove...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK26I48_239

Orange hawkweed, orange-red hawkweed (Hieracium au...

White-throated Bee-eater (Merops albicollis) perched on a branch, Lake Natron, Tanzania

BRK26H85_044

White-throated Bee-eater (Merops albicollis) perch...

Caryophyllaceae, Dianthus deltoides, heather clove, flora, high size, portrait, lean grass, maiden

BRK26H72_177

Caryophyllaceae, Dianthus deltoides, heather clove...

Ragwort (Ophrys) . Orchid on the orchid meadow Neuffener Heide on the eaves of the Swabian Alb.

BRK26H45_410

Ragwort (Ophrys) . Orchid on the orchid meadow Neu...

Red-billed Oxpecker (Buphagus erythrorynchus) perched on the head of a cow, Lake Natron, Tanzania

BRK26G57_174

Red-billed Oxpecker (Buphagus erythrorynchus) perc...

Lesser Flamingo (Phoeniconaias minor), Lake Natron, Tanzania

BRK26G73_450

Lesser Flamingo (Phoeniconaias minor), Lake Natron...

Blacksmith Lapwing (Vanellus armatus) calling, Lake Natron, Tanzania

BRK26G17_140

Blacksmith Lapwing (Vanellus armatus) calling, Lak...

John Flaxman, 1755 -1826, a British sculptor and draughtsman

BRK26G18_229

John Flaxman, 1755 -1826, a British sculptor and d...

Chestnut-banded Plover (Charadrius pallidus) foraging in the mud, Lake Natron, Tanzania

BRK26G33_254

Chestnut-banded Plover (Charadrius pallidus) forag...

Lean meadow, altocumulus, cloudy sky with fleecy clouds and birch trees in the Blockheide nature

BRK26G20_282

Lean meadow, altocumulus, cloudy sky with fleecy c...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, close-up,

BRK26G45_387

Orange hawkweed, orange-red hawkweed (Hieracium au...

Duncan's Land, birthplace of painter David Roberts, near Edinburgh, Scotland, 19th century

BRK26F81_379

Duncan's Land, birthplace of painter David Roberts...

Blacksmith Lapwing (Vanellus armatus), Lake Natron, Tanzania

BRK26F91_015

Blacksmith Lapwing (Vanellus armatus), Lake Natron...

Lean meadow, altocumulus, cloudy sky with fleecy clouds and birch trees in the Blockheide nature

BRK26F58_086

Lean meadow, altocumulus, cloudy sky with fleecy c...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK26F91_189

Orange hawkweed, orange-red hawkweed (Hieracium au...

Lean meadow, altocumulus, cloudy sky with fleecy clouds and birch trees in the Blockheide nature

BRK26D31_189

Lean meadow, altocumulus, cloudy sky with fleecy c...

Three-banded Plover (Charadrius tricollaris) foraging in the mud, Lake Natron, Tanzania

BRK26D25_195

Three-banded Plover (Charadrius tricollaris) forag...

Norman Gate at Windsor Castle, 1767, royal residence at Windsor, Berkshire, England, UK, after Paul

BRK26D16_133

Norman Gate at Windsor Castle, 1767, royal residen...

John Flaxman, 1755 -1826, a British sculptor and draughtsman

BRK26E15_481

John Flaxman, 1755 -1826, a British sculptor and d...

Portrait of John Flaxman, 1755 -1826, a British sculptor and draughtsman, Portrait von John

BRK26E38_457

Portrait of John Flaxman, 1755 -1826, a British sc...

Lean meadow, altocumulus, cloudy sky with fleecy clouds and birch trees in the Blockheide nature

BRK26E05_292

Lean meadow, altocumulus, cloudy sky with fleecy c...

Portrait of Sir Walter Raleigh, 1554 - 1618, an English aristocrat, writer, poet and explorer,

BRK26E02_356

Portrait of Sir Walter Raleigh, 1554 - 1618, an En...

Lesser Flamingo (Phoeniconaias minor), Lake Natron, Tanzania

BRK26D98_206

Lesser Flamingo (Phoeniconaias minor), Lake Natron...

Northern Red-billed Hornbill (Tockus erythrorhynchus), Lake Natron, Tanzania

BRK26E04_031

Northern Red-billed Hornbill (Tockus erythrorhynch...

Lean meadow, altocumulus, cloudy sky with fleecy clouds and birch trees in the Blockheide nature

BRK26D55_426

Lean meadow, altocumulus, cloudy sky with fleecy c...

Hieracium lachenalii (Hieracium lachenalii), flowering in a rough meadow, Wilnsdorf, North

BRK26D58_308

Hieracium lachenalii (Hieracium lachenalii), flowe...

Autumn helleborine (Spiranthes spiralis), autumn helleborine, small orchids, very rare, flowering

BRK26D57_114

Autumn helleborine (Spiranthes spiralis), autumn h...

Lean meadow, altocumulus, cloudy sky with fleecy clouds and birch trees in the Blockheide nature

BRK26C58_270

Lean meadow, altocumulus, cloudy sky with fleecy c...

Autumn helleborine (Spiranthes spiralis), autumn helleborine, small orchids, very rare, flowering

BRK26C66_088

Autumn helleborine (Spiranthes spiralis), autumn h...

Lesser Flamingo (Phoeniconaias minor), Lake Natron, Tanzania

BRK26D03_074

Lesser Flamingo (Phoeniconaias minor), Lake Natron...

Autumn helleborine (Spiranthes spiralis), autumn helleborine, small orchids, very rare, flowering

BRK26C66_261

Autumn helleborine (Spiranthes spiralis), autumn h...

Marie Curie, portrait, around 1920. Marie Curie was a chemist and physicist of Polish descent. She

BRK26C06_050

Marie Curie, portrait, around 1920. Marie Curie wa...

The first Solvay conference of 1911 brought together the world's top experimental and theoretical

BRK26C06_058

The first Solvay conference of 1911 brought togeth...

Marie and her man Pierre Curie in the laboratory. Around 1904 Marie Curie was a chemist and

BRK26C06_056

Marie and her man Pierre Curie in the laboratory. ...

A detailed rock, Calcium Tuff Formation, rises out of the water surrounded by shore scenery, Lake

BRK26B69_491

A detailed rock, Calcium Tuff Formation, rises out...

A tranquil shoreline with grassy areas and a blue lake under a clear sky, Lake Natron, Mono Lake,

BRK26B70_003

A tranquil shoreline with grassy areas and a blue ...

Rocks, limestone formations, in a calm lake, Lake Natron, with mountains in the background, Mono

BRK26B69_489

Rocks, limestone formations, in a calm lake, Lake ...

Educational board from general chemistry lessons, which presents various aspects of radium and

BRK26B55_479

Educational board from general chemistry lessons, ...

Unique rock structures, limestone formations rising from the calm water of a lake under a clear

BRK26B69_490

Unique rock structures, limestone formations risin...

A hilly riparian landscape with shrubs, yellow rabbitbrush (Chrysothamnus vicidiflorus), a lake,

BRK26B69_499

A hilly riparian landscape with shrubs, yellow rab...

A still lake, Lake Natron, with rocks, limestone formations, and birds, Mono Lake, California, USA

BRK26B70_004

A still lake, Lake Natron, with rocks, limestone f...

Notable rock formations, calcareous tuff formations emerging from calm water, situated under a

BRK26B70_002

Notable rock formations, calcareous tuff formation...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK26B01_030

Hieracium lachenalii (Picris hieracioides), hawkwe...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, close-up,

BRK26A43_412

Orange hawkweed, orange-red hawkweed (Hieracium au...

Hieracium lachenalii (Picris hieracioides), hawkweed bitterweed, yellow flower on a rough meadow,

BRK26A45_433

Hieracium lachenalii (Picris hieracioides), hawkwe...

Meadow bellflower (Campanula patula), blue flower, on a rough meadow, Wilnsdorf, North

BRK25M64_271

Meadow bellflower (Campanula patula), blue flower,...

Spring is here... Pasque flowers, pasque flowers (Pulsatilla vulgaris), purple flowering

BRK25N02_278

Spring is here... Pasque flowers, pasque flowers (...

Spring awakening... Pasque flower, Pasque flower (Pulsatilla vulgaris), purple flowering

BRK25N02_282

Spring awakening... Pasque flower, Pasque flower (...

In early spring... Cowslip (Pulsatilla vulgaris), classic, typical early bloomer, the small hairs

BRK25N02_281

In early spring... Cowslip (Pulsatilla vulgaris), ...

Landscape conservation with sheep and goats in the Truppacher Heide, Trupbacher Heide nature

BRK25M80_495

Landscape conservation with sheep and goats in the...

Adonis blue (Polyommatus bellargus), very beautiful butterfly, endangered due to habitat loss,

BRK25M97_156

Adonis blue (Polyommatus bellargus), very beautifu...

Hiking trails in the Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough

BRK25M14_082

Hiking trails in the Truppacher Heide, Trupbacher ...

Landscape conservation with sheep and goats in the Truppacher Heide, Trupbacher Heide nature

BRK25M14_080

Landscape conservation with sheep and goats in the...

Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough grassland, Siegerland,

BRK25M14_083

Truppacher Heide, Trupbacher Heide nature reserve ...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25M27_169

Orange hawkweed, orange-red hawkweed (Hieracium au...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25M22_393

Orange hawkweed, orange-red hawkweed (Hieracium au...

Basalt columns on the coast of Scotland, basalt columns, alkaline effusion rock, formation, Great

BRK25L50_496

Basalt columns on the coast of Scotland, basalt co...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, close-up,

BRK25L88_187

Orange hawkweed, orange-red hawkweed (Hieracium au...

Orange hawkweed, orange-red hawkweed (Hieracium aurantiacum), flower on a rough meadow, Wilnsdorf,

BRK25L85_485

Orange hawkweed, orange-red hawkweed (Hieracium au...

A rural path leads through a wide landscape with trees and meadows. Heaths and rough grassland

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A rural path leads through a wide landscape with t...

Rays of sunlight behind tree trunks in the forest create a peaceful atmosphere. Heaths and rough

BRK25L28_383

Rays of sunlight behind tree trunks in the forest ...

A country lane with an old fence under a cloudy, gloomy evening sky. NSG heaths and rough grassland

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A country lane with an old fence under a cloudy, g...

Sheep (Ovis) graze in a meadow with trees and a fence in the foreground. NSG heaths and rough

BRK25L28_392

Sheep (Ovis) graze in a meadow with trees and a fe...

A path leads through a green landscape with purple flowering heath and surrounding forest. Heath

BRK25L28_397

A path leads through a green landscape with purple...

Green hills and meadows with purple heather flowers, along a fenced landscape. Heaths and rough

BRK25L28_403

Green hills and meadows with purple heather flower...

Dry field path with trees on the sides under a clear blue sky. NSG heaths and rough grassland near

BRK25L28_368

Dry field path with trees on the sides under a cle...

Close-up of the tree trunk with purple flowers and grass in the foreground. NSG heaths and rough

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Close-up of the tree trunk with purple flowers and...

Sunset behind trees with purple-coloured sky and luminous atmosphere. Heaths and rough grassland

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Sunset behind trees with purple-coloured sky and l...

Widespread heathland with a cloudy sky, creating a peaceful atmosphere. Heath and rough grassland

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Widespread heathland with a cloudy sky, creating a...

Broad landscape with fields and fences under a clear blue sky. Heaths and rough grassland nature

BRK25L28_379

Broad landscape with fields and fences under a cle...

Tall grasses with a view of a hill under a cloudy sky. NSG heaths and rough grassland near

BRK25L28_381

Tall grasses with a view of a hill under a cloudy ...

Clear sky over a small pond in an autumn landscape with trees. NSG heaths and rough grassland near

BRK25L28_382

Clear sky over a small pond in an autumn landscape...

Gravel path through a rural meadow under a cloudy sky. Natural, peaceful surroundings. NSG heaths

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Gravel path through a rural meadow under a cloudy ...

Landscape conservation with sheep and goats in the Truppacher Heide, Trupbacher Heide nature

BRK25L45_469

Landscape conservation with sheep and goats in the...

Green meadow with trees under a blue sky, peaceful rural surroundings. Heaths and rough grassland

BRK25L28_365

Green meadow with trees under a blue sky, peaceful...

Dramatic sky with dark clouds over a field and neighbouring forest, heaths and rough grassland

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Dramatic sky with dark clouds over a field and nei...

Green and purple heather spreads across a meadow. Heath and rough grassland nature reserve near

BRK25L28_376

Green and purple heather spreads across a meadow. ...

Small pond with water reflection in a meadow landscape with trees. NSG heaths and rough grassland

BRK25L28_378

Small pond with water reflection in a meadow lands...

Gravel path between fields and trees under a clear blue sky. NSG heaths and rough grassland near

BRK25L28_380

Gravel path between fields and trees under a clear...

Close-up of purple heather flowers amidst tall grasses and blurred background. NSG heaths and rough

BRK25L28_359

Close-up of purple heather flowers amidst tall gra...

Green meadow with trees and cloudy sky, view of hills in the distance. Heaths and rough grassland

BRK25L28_364

Green meadow with trees and cloudy sky, view of hi...

Extensive heathland with brown flowers under a blue sky, surrounded by trees. Heath and rough

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Extensive heathland with brown flowers under a blu...

Summer meadow with colourful wildflowers under a clear sky, natural colours dominate the scene.

BRK25L28_404

Summer meadow with colourful wildflowers under a c...

Truppacher Heide, Trupbacher Heide nature reserve with heaths and rough grassland, Siegerland,

BRK25L45_471

Truppacher Heide, Trupbacher Heide nature reserve ...

Colourful flower meadow with a solitary tree under a threatening sky. NSG heaths and rough

BRK25L28_386

Colourful flower meadow with a solitary tree under...

A branch with rowan berries hangs from a tree in front of a golden meadow. Heaths and rough

BRK25L28_390

A branch with rowan berries hangs from a tree in f...

A dirt track through a heath landscape with trees and signs under a blue sky. NSG heathland and

BRK25L28_391

A dirt track through a heath landscape with trees ...

A dusty path winds its way through a heath with brown flowers and scattered trees. Heath and rough

BRK25L28_395

A dusty path winds its way through a heath with br...

Extensive heathland with purple flowers under a blue sky and surrounding trees. Heath and rough

BRK25L28_398

Extensive heathland with purple flowers under a bl...

Several sheep (Ovis) graze peacefully on a large meadow with trees. Heaths and rough grassland

BRK25L28_377

Several sheep (Ovis) graze peacefully on a large m...

A dirt track leads through a purple flowering heath landscape with trees and a blue sky. Heath and

BRK25L28_399

A dirt track leads through a purple flowering heat...

Rural path through a grassy landscape, dramatic cloud formations in the blue sky. NSG heaths and

BRK25L28_405

Rural path through a grassy landscape, dramatic cl...

Colourful path along a summer pasture with blooming flowers and an old wooden fence surrounded by

BRK25L28_358

Colourful path along a summer pasture with bloomin...

Straight field path with trees and fence under a deep blue sky. NSG heathland and rough grassland

BRK25L28_370

Straight field path with trees and fence under a d...

Field path with puddles along a green meadow with trees. NSG heaths and rough grassland near

BRK25L28_384

Field path with puddles along a green meadow with ...

Dramatic cloud formations at sunset, trees silhouetted against a colourful evening sky. Heaths and

BRK25L28_407

Dramatic cloud formations at sunset, trees silhoue...

Blooming heath with purple flowers, surrounded by forest and views of distant mountains. Heath and

BRK25L28_396

Blooming heath with purple flowers, surrounded by ...

Swallowtail caterpillar (Papilio machaon), caterpillar sitting on Wild carrot (Daucus carota), top

BRK25L45_475

Swallowtail caterpillar (Papilio machaon), caterpi...

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