Dos Ojos Cenote in Tulum, Yucatan, Quintana Roo, Mexico, North America

Dark clouds on green meadows and huts of the Odle mountain range seen from Seceda, Val Gardena, Trentino-Alto Adige, Italy, Europe

The Aurora Borealis, the spectacular Northern Lights turn the sky green and purple above Kvaloya island at Tromso in the Arctic Circle in Northern Norway

Aurora Borealis spectacular Northern Lights green and purple curtain effect and Venus star at Grotfjord, Kvaloya island, Tromso, Arctic Circle, Northern Norway

The Aurora Borealis, the spectacular Northern Lights fill the sky with dazzling green light above Kvaloya island at Tromso in the Arctic Circle in Northern Norway

Elegant Georgian style doorway in Chipping Campden, The Cotswolds, Gloucestershire

Aurora Borealis spectacular Northern Lights green and purple curtain effect and Venus star at Grotfjord, Kvaloya island, Tromso, Arctic Circle, Northern Norway

The Aurora Borealis, the spectacular Northern Lights fill the sky with dazzling green light above Kvaloya island at Tromso in the Arctic Circle in Northern Norway

The Aurora Borealis, the spectacular Northern Lights fill the sky with dazzling green light above Kvaloya island at Tromso in the Arctic Circle in Northern Norway

Aurora Borealis spectacular Northern Lights green and purple curtain effect and Venus star at Grotfjord, Kvaloya island, Tromso, Arctic Circle, Northern Norway

western king wrasse (coris auricularis), male, dark pink colour with reddish-brown band running around boby and blue-green colouration over the head, wild, day, marine protected area, diving off Rottnest Island, reef edges, sand, seagrass, Western Australia, Indian Ocean. MORE INFO: social structure where dominant male, usually the biggest in the area, will have a harem of females. When the male dies or is absent for any length of time the largest female will change sex and dominate the group.

Face of Caucasian woman illuminated by energy efficient light bulb

Sprinklers watering rural farmland

Couple in green vintage car

Northern Lights glowing green in night sky

Japanese woman using laptop at campsite

Japanese woman using laptop at campsite

Caucasian woman holding flowers in forest

Profile of serious Caucasian woman in leaves

Caucasian woman holding flowers in forest

Caucasian boy picking flowers in rural field

Slanted sculptures - Reisende Riesen im Wind - of artist Martin Wolke in front of Westerland railway station, Sylt, Schleswig Holstein, Germany

Colour fan

RAL colour fan

Dramatic skies over the landscape seen during a storm chasing tour in the midwest of the United States, Kansas, United States of America

Close-up of a plant with dark green and vibrant purple foliage and delicate clusters of blossoms, Vancouver, British Columbia, Canada

Close Up Of A Female With Garden Gloves Holding A Handful Of Dark Soil With A Radish Plant In The Soil, Calgary, Alberta, Canada

Dramatic dark storm clouds over farmland; Guymon, Oklahoma, United States of America

Supercell over the prairies and a dirt road, with sunlight illuminating the dramatic sky; Tulsa, Oklahoma, United States of America

Dramatic dark storm clouds over scrubland; New Mexico, United States of America

Sunlit rolling hills with green grain fields and farm buildings; Palouse, Washington, United States of America

Amazing clouds over the landscape of the American mid-west as supercell thunderstorms develop. Huge tornado on the ground; Woodward, Nebraska, United States of America

Ringette Player Wearing Green Jersey With Helmet And Cage, Regina, Saskatchewan, Canada

Storm cloud formations over farmland with a wind farm and turbines in the distance; United States of America

Amazing clouds over the landscape of the American mid-west as supercell thunderstorms develop; Nebraska, United States of America

Supercell thunderstorm clouds show off the power of mother nature. Massive clouds build and unleash powerful storms creating a beautiful and awe inspiring spectacle; Colorado, United States of America

Christmas Tree Glowing Under The Northern Lights

Aurora Borealis Dancing Above The Chugach Mountains And Turnagain Arm, Kenai Peninsula, Southcentral, Alaska

Flowering Canola Field With Dark Storm Clouds And Cattle Grazing, Nanton, Alberta, Canada

Amazing clouds over the landscape of the American mid-west as supercell thunderstorms develop; Nebraska, United States of America

Supercell thunderstorm clouds show off the power of mother nature. Massive clouds build and unleash powerful storms creating a beautiful and awe inspiring spectacle; Colorado, United States of America

Aerial view of Eklutna Lake surrounded by greens, Chugach State Park, South-central Alaska in summertime; Alaska, United States of America

Stone and turf structure with wooden doorway at the recreated longhouse in Greenland's Brattahlid, Eriksfjord area, part of a reconstruction of Erik the Red's settlement, Kujataa World Heritage Site, Qassiarsuk, Southern Greenland, Greenland

Aurora Borealis Dancing Above The Chugach Mountains And Turnagain Arm, Kenai Peninsula, Southcentral, Alaska

Close Up Of A Barley Seedling In Dark Soil At The Two Leaf Stage, Calgary, Alberta, Canada

Mansions On Boyuk Qala Street With The Flame Towers In The Background At Night, Baku, Azerbaijan

A Double Waterfall Drops Into Green Water In A Dark Canyon, Kananaskis Country, Alberta, Canada

Supercell thunderstorm clouds show off the power of mother nature. Massive clouds build and unleash powerful storms creating a beautiful and awe inspiring spectacle; Colorado, United States of America

Dramatic skies over the landscape seen during a storm chasing tour in the midwest of the United States, Kansas, United States of America

Aurora Borealis Dancing Above The Chugach Mountains And Turnagain Arm, Kenai Peninsula, Southcentral, Alaska

Blue, Yellow And Green Stained Glass Window, Gulu, Uganda

Highlighted power wires along large metal power towers with dark sky in the background, Yoho National Park; Field, British Columbia, Canada

The Aurora Borealis (Northern Lights) And Stars Circling Above The Sign Marking The Entrance To Denali National Park And Preserve, Alaska, United States Of America

Isolated Norwegian house by a lake, surrounded by a dark forest; Norway

Bands Of Northern Lights In The Dark Manitoba Skies Near Churchill, Manitoba, Canada

A Vintage Truck In A Grass Field At Sunset, Palouse, Washington, United States Of America

Northern Lights Over Vestrahorn, Southern Iceland, Vestrahorn, Iceland

An approaching storm over a corn field near Strawberry Point, Iowa, United States of America

Woman in costume for the Kings & Queens competition of the Caribana Festival, Lamport Stadium, Toronto, Ontario

Rolling green hills in rural landscape, Palouse, Washington, USA

Moray (Gymnothorax sp) fluorescing under blue light, in the reef at night, Mayotte

Ploughing a field seen from the sky in autumn, Pas-de-Calais, Opal coast, France