Ingo Arndt / Dead trees in Namib desert, Namib Naukluft NP, Namibia

Jack Dykinga / Dead Vlei, with dessicated 900 year old trees standing in the salt pan surrounded by towering red sand dunes. Namib-Naukluft National Park, Namibia. June 2013.

Jack Dykinga / Dead Vlei, with dessicated 900 year old trees standing in the salt pan surrounded by towering red sand dunes. Namib-Naukluft National Park, Namibia. June 2013.

Jack Dykinga / Dead Vlei, with dessicated 900 year old trees standing in the salt pan surrounded by towering red sand dunes. Namib-Naukluft National Park, Namibia. June 2013.

Jack Dykinga / Deadvlei, with dessicated 900 year old trees standing in the salt pan surrounded by towering red sand dunes. Namib-Naukluft National Park, Namibia. June 2013.

Jack Dykinga / Sossusvlei World Heritage Site, with curving red sand dunes and acacia trees. Namib-Naukluft National Park, Namibia. June 2013.

Jack Dykinga / Sossusvlei World Heritage Site, with curving red sand dunes and Acacia trees. Namib-Naukluft National Park, Namibia. June 2013.

Jack Dykinga / Deadvlei, with dessicated 900 year old trees standing in the salt pan surrounded by towering red sand dunes. Namib-Naukluft National Park, Namibia. June 2013.

Wim van den Heever / A misty sunrise over tree silhouette in Deadvlei, Namibia

Matthias Breiter / Trees in autumn along river, Sand River, Agawa Bay, Ontario, Canada

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes and mist, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes, and star trails, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with red dunes and the milky way behind, Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) at night with red dunes behind. Namib desert, Sossusvlei, Namibia. Composite.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Wim van den Heever / Ancient dead Camelthorn trees (Vachellia erioloba) with sand dunes, Namib desert, Deadvlei, Sossusvlei, Namibia.

Hougaard Malan / Typical landscape of red dunes, grass and camelthorn trees. Namib Rand, Namibia. May 2010.

Laurent Geslin / Sandstorm, Sossulvei, Namibia

Laurent Geslin / Vehicles tracks in sand, Etosha NP, Namibia

Michael Pitts,Michael Pitts / Coconut palms (Cocos nucifera) with the moon rising, Tobago, Caribbean.

Konrad Wothe / Tuaregs under date Palm at Mandara Lakes, oasis Um el Ma, Libyan desert, Libya, Sahara, North Africa, December 2007. No release available.

Juergen Freund / Sibuan Island where some Bajau Laut sea gypsies relocated and settled on land. Malaysia, June 2009.

Juergen Freund / Aerial view of Raja Ampat's islands, sand cays and lagoons. West Papua, Indonesia, February 2010

Juergen Freund / Coconut palm (Cocos nucifera) roots getting washed out of the sand due to constant tide changes and erosion. Raja Ampat, West Papua, Indonesia, January 2010

Juergen Freund / Coconut palm (Cocos nucifera) roots getting washed out of the sand due to constant tide changes and erosion. Raja Ampat, West Papua, Indonesia, January 2010

Daniel Heuclin / Rio Grande Cottonwood tree (Populus fremonti wislizenii) on a sand "pedestal" White Sands National Park. New-Mexico, USA, August 2009

Wild Wonders of Europe / Oxford / Sand dunes encroaching on Pine trees (Pinus sp) with Marram grass (Ammophila arenaria) growing n dunes, Doana National & Natural Park, Huelva Province, Andalusia, Spain, May 2009

Stephen Belcher / Camelthorn Acacia (Acacia erioloba) dead tree with dunes in background, Namib-Naukluft National Park, Namibia

Jouan & Rius / Shadow of a Camelthorn tree (Acacia erioloba) in Tsauchab valley, Namib Naukluft NP, Namib desert, Namibia

Solvin Zankl / 5000 year old tree stumps in Deadvlei dried up salt pan, with red Sossusvlei sand dunes rising in the background, Sossusvlei, Namib Desert, Namibia

Jack Dykinga / Pinyon Pines (Pinus edulis) amongst petrified sand dunes on the Colorado Plataeu, Arizona

Jose B. Ruiz / Camelthorn tree in Namib desert {Vachellia erioloba} Sossus Vlei, Namibia

Jack Dykinga / Petrified sand dunes with eroded cross hatch sandstone strata at dawn, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA with first winter snow and Juniper bushes {Juniperus osteosperma}

Pete Oxford / Sand dunes, Sossusvlei, Namibia, Southern Africa

Doug Perrine / Palm trees growing on Half Moon Cay, Belize

Gerry Ellis / Palm trees growing out of sand in oasis, Oasis Dakhia, Sahara Desert, Egypt

Konrad Wothe / Coral reef in lagoon surrounded by white sand beaches and palm trees, Rani Island, Irian Jaya, Indonesia

Shin Yoshino / Asian Pear (Pyrus pyrifolia) tree with bare branches in winter, Japan. Sequence 4 of 4

Toby Sinclair / Coconut palm tree on beach {Cocos nucifera} Lakshadweep, Laccadive islands, Indian ocean

David Noton / Sand dune base and tree. Namib-Naukluft NP, Namib desert, Namibia, Southern Africa

David Noton / Petrified trees, Deadvlei, Namib-Naukluft NP. Namib desert, Namibia, Africa

David Noton / Pigeon Point beach, Tobago

David Noton / Coconut on beach at Pigeon Point, Tobago

David Noton / Idyllic beach landscape with pam trees and gentle waves, Pigeon Point, Tobago, Caribbean

Gavin Hellier / Anse Source d'Argent Beach, La Digue Island, Seychelles, Indian Ocean

Gavin Hellier / Anse source d'Argent Beach, La Digue Island, Seychelles, Indian Ocean

Gavin Hellier / Anse Source d'Argent Beach, La Digue Island Seychelles, Indian Ocean

Phil Savoie / Tawny mining (Andrena fulva) on apple tree blossom (Malus domestica), Monmouthshire, Wales, UK, April.

Phil Savoie / Mining bee (Andrena sp.) on Apple tree (Malus domestica) Ripon, Wisconsin, USA, May.

Phil Savoie / Mining bee (Andrena sp) feeding on Cherry blossom (Prunus sp), Ripon, Wisconsin, USA, May.

Phil Savoie / Yellow legged mining bee (Andrena flavipes) feeding on Blackthorn (Prunus spinosa) Monmouthshire, Wales, UK. April.

Mike Read / Fallow deer (Dama dama) calling to attract does rut. At rutting stand, Brinken Wood, New Forest National Park, Hampshire, England, UK. October.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) infront of petrified sand dunes with ephemeral waterfall after autumn rains, Grand Staircase-Escalante National Monument, Utah, USA. October.

Guy Edwardes / Sand Pyramids, Rozhen, Melnik, Bulgaria. October 2017

Guy Edwardes / Sand patterns, Pjorsa River, Near Selfoss, Iceland. August 2017

Claudio Contreras / Dune and Red Mangrove (Rhizophora mangle), Bahia Magdalena, Baja California Peninsula, Mexico, June

Claudio Contreras / Dune and Red Mangrove (Rhizophora mangle), Bahia Magdalena, Baja California Peninsula, Mexico, June

Claudio Contreras / Sand dune and mangrove forest, Magdalena Bay, Baja California, Mexico, February

Claudio Contreras / Sand dune and mangrove forest, Magdalena Bay, Baja California, Mexico, February

Claudio Contreras / Sand dune and mangrove forest, Magdalena Bay, Baja California, Mexico, February

Ashley Cooper / Boreal forest trees clear felled to make way for a new tar sands mine north of Fort McMurray, Alberta, Canada. August 2012

Ashley Cooper / Boreal forest trees clear felled to make way for a new tar sands mine north of Fort McMurray, Alberta, Canada. August 2012

Ashley Cooper / Boreal forest trees clear felled to make way for a new tar sands mine north of Fort McMurray, Alberta, Canada. The tar sands are responsible for the second fastest rate of deforestation on the planet....

Ashley Cooper / Desertification in Shanxi Province during severe drought, China. March 2009.

Ashley Cooper / Desertification in Shanxi Province during severe drought, China. March 2009

Ashley Cooper / Desertification in Shanxi Province during severe drought, China. March 2009

Emanuele Biggi / Deadvlei with dead Camel thorn tree (Vachellia erioloba) trees Namib-Naukluft National Park, Namib Desert, Namibia

Emanuele Biggi / Sand dunes and Acacia trees, Sossusvlei, Namibia, June 2017.

Emanuele Biggi / Sossusvlei's dunes and acacia trees, Sossusvlei area, Namibia, January 2017.

Emanuele Biggi / Dead Camelthorn trees (Vachellia erioloba) on sand, Deadvlei, Sossusvlei, Naukluft National Park, Namib Desert, Namibia, June.

Ernie Janes / Deadvlei with dead Camel thorn trees and tall sand dunes, Namib-Naukluft National Park, Namib Desert, Namibia

Ernie Janes / Deadvlei with dead Camel thorn trees, Namib-Naukluft National Park, Namib Desert, Namibia

Ernie Janes / Deadvlei with dead Camel thorn trees (Vachellia erioloba), Namib-Naukluft National Park, Namib Desert, Namibia

Ingo Arndt / Soaptree Yucca (Yucca elata) flowering in gypsum sand, White Sands National Park, New Mexico, USA

Ingo Arndt / Dead trees in Namib desert, Namib Naukluft NP, Namibia

Christophe Courteau / Lion (Panthera leo) male sharpening his claws on a tree at night, Sabi Sand Game Reserve, South Africa.

Tim Fitzharris / Rubber Rabbitbrush (Chrysothamnus nauseosus) blooming near Cottonwood (Populus sp) trees in sand dunes in winter, Mount Herard, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Rubber Rabbitbrush (Chrysothamnus nauseosus) blooming near Cottonwood (Populus sp) trees in sand dunes in winter, Mount Herard, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) trees and Mount Herard, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Ponderosa Pine (Pinus ponderosa) trees and Mount Herard, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Mount Herard framed by hole in tree, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Mount Herard framed by tree hole, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Cottonwood (Populus sp) trees in winter, Mount Herard, Great Sand Dunes National Park, Colorado

Tim Fitzharris / Cottonwood (Populus sp) trees in winter, Mount Herard, Great Sand Dunes National Park, Colorado

Yva Momatiuk & John Eastcott / Dead trees in front of sand dunes, Sossusvlei, Namib-Naukluft National Park, Namibia

Yva Momatiuk & John Eastcott / Dead trees in front of sand dunes, Sossusvlei, Namib-Naukluft National Park, Namibia

Yva Momatiuk & John Eastcott / Dead trees in front of sand dunes, Sossusvlei, Namib-Naukluft National Park, Namibia

Yva Momatiuk & John Eastcott / Dead trees in front of sand dunes, Sossusvlei, Namib-Naukluft National Park, Namibia

Wim van den Heever / Red dunes of Sossusvlei ,Namibia

Yva Momatiuk & John Eastcott / Quaking Aspen (Populus tremuloides) trees in autumn,, Rocky Mountains, Colorado

Wim van den Heever / Ancient dead Camelthorn tree (Vachellia erioloba) trees with red dunes, Namib desert, Deadvlei, Sossusvlei, Namibia. August 2015.

Juan Carlos Munoz / Dead Camel thorn trees (Vachellia / Acacia erioloba) with distant sand dunes, Deadvlei, Namib-Naukluft National Park, Namibia, Africa, June 2015.

Juan Carlos Munoz / Dead Camel thorn trees (Vachellia / Acacia erioloba) with distant sand dunes, Deadvlei, Namib-Naukluft National Park, Namibia, Africa, June 2015.

Tim Fitzharris / Riverside path with pines, Ochlockonee River State Park, Florida

Pascal Tordeux / Pine tree (Pinus sp) on the edge of sand dune, Guadalquivir valley, Donana National Park, Andalusia, Spain, March 2014.