Jack Dykinga / Ocotillo cactus (Fouquieria splendens) in desert landscape strewn with rod lava rock, Cabeza Prieta Mountains in the distance, dawn, Cabeza Prieta National Wildlife Refuge, Arizona, USA

Jack Dykinga / Eroded striated sandstone with round concretions strewn in geometric patterns, dawn, Vermilion Cliffs National Monument, Colorado Plateau, Arizona, USA

Wild Wonders of Europe / Müller / Bosnian pine (Pinus leucodermis / heldreichii) in rock strewn landscape, Pollino National Park, Basilicata, Italy May 2009

Wild Wonders of Europe / Unterthiner / Rock strewn landscape with building remains, evening light, Antikythera island, Greece, September 2008

Ashley Cooper / Plastic bags blown from a landfill site in Barrow in Furness, Cumbria, England, UK.

Ashley Cooper / Plastic bags blown from a landfill site in Barrow in Furness, Cumbria, England,UK.

Floris van Breugel / Sunset over the iceberg strewn Lago Grey, Torres del Paine National Park, Chile, June 2014.

SCOTLAND: The Big Picture / Rocks strewn across the 'Rough Bounds' of Knoydart / na Garbh-Chriochan. Looking towards Sgurr na h-Aide fom Sgurr Cos na Breachd-laoidh, Lochaber, Scotland, UK, October 2016.

Mark Taylor / Rubbish-strewn small town grave yard, Bolivia. December 2016.

Tim Laman / Litter strewn beach with houses and outrigger boats at Tobelo Town, Halmahera, Indonesia. July 2008.

Nick Upton / Teide straw (Descourainia bourgaeana) and Teide white broom (Spartocytisus supranubius), both endemic to Tenerife, flowering on pumice strewn slope, Teide National park, Tenerife, May.

Nick Upton / Teide straw (Descourainia bourgaeana) and Teide white broom (Spartocytisus supranubius), both endemic to Tenerife, flowering on pumice strewn slope, Teide National park, Tenerife, May.

Floris van Breugel / An ice filled crater with view of the sculptured granite boulders strewn across landscape of Silent City of Rocks National Preserve. Idaho. April 2013

David Woodfall / Camping rubbish strewn over common, North Gower, Wales, UK, June 2009

David Woodfall / Camping rubbish strewn over common, North Gower, Wales, UK, June 2009

David Woodfall / Camping rubbish strewn over Killay Local Nature reserve, Swansea, Wales, UK, June 2009

Bryan and Cherry Alexander / Inuit hunter Quluntanguaq Jerimiassen in kayak in the ice strewn waters of Inglefield Bredning, Northwest Greenland, 1980. 40 BELOW bookplate.

Juergen Freund / Discarded ropes and fishing tackle strewn along the shoreline on a beach, Komodo island, Indonesia, August 2009.

LYNN M. STONE / Reddish Egret (Egretta rufescens) standing on one leg on shell-strewn beach, Sanibel Island, Florida USA

Wild Wonders of Europe / Ziegler / Rock strewn landscape in red light, Mani Peninsula, The Peloponnese, Greece, May 2009

Wild Wonders of Europe / Muñoz / Granite rock strewn landscape, south Harris, Outer Hebrides, Scotland, UK, June 2009

Wild Wonders of Europe / Müller / Bosnian pine (Pinus leucodermis) growing in rock strewn landscape, Pollino National Park, Basilicata, Italy, May 2009

Wild Wonders of Europe / Widstrand / Flowering French / Spanish lavender (Lavandula stoechas) growing in rock strewn landscape, La Serena, Extremadura, Spain, April 2009

Scott Leslie / Boulder strewn beach, Labrador, Canada

Wild Wonders of Europe / Unterthiner / Ruins of a building in a rock strewn landscape, Antikythera island, Greece, September 2008

Wild Wonders of Europe / Unterthiner / Rock strewn landscape with ruins, evening light, Antikythera island, Greece, September 2008

Albert Lleal / Donkey (Equus asinus) foraging among garbage strewn streets of Ouahigouya, Burkina Faso, west Africa

Harley Betts / High tide on a boulder strewn beach on the North Taranaki Coast, south of Tongaporutu, New Zealand

Jason Smalley / Shiny black volcanic rock strewn over the sand in the Black Desert, Western-Egypt.

Jason Smalley / Shiny black volcanic rock strewn over the sand in the Black Desert, Western-Egypt.

Jason Smalley / Shiny black volcanic rock strewn over the sand in the Black Desert, Western-Egypt.

Jason Smalley / Shiny black volcanic rock strewn over sand in the Black Desert, Western-Egypt.

Jason Smalley / Shiny black volcanic rock strewn over sand in the Black Desert, Western-Egypt.

Jason Smalley / Shiny black volcanic rock strewn over sand in the Black Desert, Western-Egypt.

Jason Smalley / Shiny black volcanic rock strewn over sand in the Black Desert, Western-Egypt.

Onne van der Wal / A small local fishing boat motoring along the rock strewn coast of South Island, New Zealand.

Roberto Rinaldi / The Baths, a natural attraction on Gorda Island with exotic pools and grottos formed by giant boulders strewn across sand beaches, British Virgin Islands (BVI).

Roberto Rinaldi / The Baths, a natural attraction on Gorda Island with exotic pools and grottos formed by giant boulders strewn across sand beaches, British Virgin Islands, BVI.

Jen Guyton / Office at Natiquiriqui school, strewn with books and papers that were destroyed during Cyclone Idai. Outside, people waiting for a food distribution. Outskirts of Gorongosa National Park, Mozambique....

Ben Cranke / King penguins (Aptenodytes patagonicus) walking along the ice strewn beach. Salisbury plain, South Georgia Island

Tim Laman / Palm tree and large buttresses tree line a boulder strewn rainforest river with small cascade. Iron Range National Park, Cape York Peninsula, Australia

Frederique Olivier / Reflections of cliffs in fjord, water surface strewn with fragments of glacial ice, near Sermeq glacier, Prince Christian Sound, Greenland, 2016.

Frederique Olivier / Tilt shot up from reflections to cliffs, water surface strewn with fragments of glacial ice, near Sermeq glacier, Prince Christian Sound, Greenland, 2016.