Juergen Freund / Outrigger boat in Big Lagoon, with its karst limestone cliffs, emerald waters and shallow coral reefs in the white sand. North Palawan, Philippines, May 2009.
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Juergen Freund / Ancient pictographs (rock / cave paintings) of fish and sea creatures on karst limestone formations. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010
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Juergen Freund / Karst limestone formations rising out of the sea. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010
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Juergen Freund / Very old human skulls on a ledge in the karst limestone walls of a Raja Ampat island. Raja Ampat, West Papua, Indonesia, February 2010
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Juergen Freund / Small, tree-covered islet. This is a karst limestone formation with layers eaten away by water. Raja Ampat, West Papua, Indonesia, February 2010
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Angelo Gandolfi / Secluded cove amongst karstic rocks on the Green Coast, Cantabria, Spain. Picos de Europa mountains in the distance. July 2008.
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Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586891
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586890
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
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Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
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Juergen Freund / Road towards Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, W...
01586916
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586915
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
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Juergen Freund / Water reflections in the Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site,...
01586907
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586906
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586902
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586901
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586900
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586899
Juergen Freund / Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Austra...
01586898
Juergen Freund / Bungle Bungle Range, at nigh with milky way. Beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Site, K...
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Juergen Freund / Wide angle view of canyon in Bungle Bungle Range, beehive shaped karst sandstone formation formed by erosion, with dark lines formed by cyanobacteria. Purnululu National Park, UNESCO World Heritage Si...
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Juergen Freund / Dark bands, formed by cyanobacteria on beehive shaped karst sandstone formation. Purnululu National Park, UNESCO World Heritage Site, Kimberley, Western Australia. June 2016.
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Juan Carlos Munoz / 'The Man's Face', a geological formation of eroded limestone and dolomite, Ciudad Encantada, Serranía de Cuenca Natural Park, Cuenca, Castilla-La Mancha, Spain, October 2016.
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Cyril Ruoso / Karst formations, Ha Long Bay, Cat Ba Island, Vietnam
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Cyril Ruoso / Plants growing in karst formation, Ha Long Bay, Cat Ba Island, Vietnam
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Cyril Ruoso / Karst formation, Ha Long Bay, Cat Ba Island, Vietnam
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Alex Hyde / Close up of straw or tubular Stalactites which are very delicate, hollow structures. They form when calcium carbonate or calcium sulphate dissolved in the water, deposited in a ring around the outsid...
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Alex Hyde / Close up of straw or tubular stalactite, a very delicate, hollow structure. They form when calcium carbonate or calcium sulfate dissolved in the water is deposited in a ring around the outside of each...
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Ingo Arndt / Weathered limestone cliff, Vinales Valley, Cuba
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Bernard Castelein / Tsings - karst limestone formations, Ankarana NP, Madagascar, June 2013.
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Bernard Castelein / Tsingy - karst limestone formations, Ankarana NP, Madagascar, June 2013.
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Bernard Castelein / Tsingy - karst limestone formations, Ankarana NP, Madagascar, June 2013.
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Angelo Gandolfi / Panoramic of Gruta do Lago Azul, karst cave and lake in Bonito, Mato Grosso do Sul, Brazil, August 2010.
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Angelo Gandolfi / Gruta do Lago Azul, karst cave and lake in Bonito, Mato Grosso do Sul, Brazil, August 2010.
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Franco Banfi / Karst formation inside a big cave, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean
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Thomas Marent / Limestone karst mountains, Guangxi, China
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Thomas Marent / Limestone karst mountains, Guangxi, China
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Thomas Marent / Limestone karst mountains, Guangxi, China
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Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) troop with females with young on limestone karst cliff, Guangxi, China
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Juergen Freund / Very old human skulls on a ledge in the karst limestone walls of a Raja Ampat island. Raja Ampat, West Papua, Indonesia, February 2010.
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Juergen Freund / Karst limestone formations with ancient pictographs (rock / cave paintings) of fish and sea creatures. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010.
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Juergen Freund / Karst limestone formations with ancient pictographs (rock / cave paintings) of fish and sea creatures. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010.
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Juergen Freund / Karst limestone formations rising out of the sea. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010.
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Juergen Freund / Karst limestone formations with ancient pictographs (rock / cave paintings). Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010.
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Juergen Freund / Small, tree-covered island. This is a karst limestone formation with layers eaten away by water. Raja Ampat, West Papua, Indonesia, February 2010.
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Juergen Freund / Karst limestone formations rising out of the sea. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010.
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Juergen Freund / Very old human skulls on a ledge in the karst limestone walls of a Raja Ampat island. Raja Ampat, West Papua, Indonesia, February 2010.
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Juergen Freund / Karst limestone formations with ancient pictographs (rock / cave paintings) of fish and sea creatures. Sunmalelen area, Raja Ampat, West Papua, Indonesia, January 2010.
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Mark Taylor / Long-tail boat and limestone cliffs. Koh Phi Phi, Thailand, December 2010.
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Juergen Freund / Sunmalelen area with dramatic karst limestone formations. Kei islands, Maluku, Indonesia, November 2009
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Nick Upton / Steep scree slope below the 2332m karst limestone Mojstrovska peak in the Julian Alps, Vrsic, Triglav National Park, Slovenia, July 2010.
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Nick Upton / Steep scree slope below the 2332m karst limestone Mojstrovska peak in the Julian Alps, Vrsic, Triglav National Park, Slovenia, July 2010.
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Chien Lee / Land Snail (Amphidromus sp), endemic to limestone karst formations, Bukit Sarang Conservation Area, Bintulu, Borneo, Malaysia
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Chien Lee / Land Snail (Amphidromus sp), endemic to limestone karst formations, Bukit Sarang Conservation Area, Bintulu, Borneo, Malaysia
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Nick Upton / Harebell / Bellflower (Campanula rotundifolia) flowering at 1600m on karst limestone boulder at the Cirque de Gavarnie, Haute Pyrenees, France. July 2009
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Nick Upton / Waterfalls, karst limestone cliffs and montane pastureland at the Cirque de Gavarnie, Pyrenees National Park, Haute Pyrenees, France. July 2009
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Nick Upton / Waterfalls, karst limestone cliffs, montane pastureland and upper River Gave at the Cirque de Gavarnie, Pyrenees National Park, Haute Pyrenees, France. July 2009
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Nick Upton / Gavarnie Falls cascade down the karst limestone cliffs of the Cirque de Gavarnie, with spray blown upwards by the wind. Pyrenees National Park, Haute Pyrenees, France, July 2009
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Nick Upton / Gavarnie falls cascade down the karst limestone cliffs of the Cirque de Gavarnie, Pyrenees National Park, Haute Pyrenees, France, July 2009
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Nick Upton / Cuevas del mar (Sea caves) beach with arches carved by the sea through karst limestone rocks. Near Llanes, Asturias, Spain. July 2009 Blue Flag Beach.
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Nick Upton / Cuevas del mar (Sea caves) beach with arches carved by the sea through karst limestone rocks. Near Llanes, Asturias, Spain. July 2009 Blue Flag Beach.
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Nick Upton / Chipeta Alta peak and karst limestone escarpment leading to Sayestico peak, Spanish Pyrenees, above Hecho valley, Huesca, Aragon, Spain. July 2009
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Nick Upton / Tourists canyoning down Rio Aragon Subordan through the Boca del Infierno (Hell's Mouth) gorge, carved by river action through karst limestone rock. Hecho valley, Spanish Pyrenees, Huesca, Aragon, Spa...
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Nick Upton / Asturian mountain domestic cattle (Bos taurus) cow with bell on karst limestone clifftop grassland with Atlantic sea in the background, Near Llanes, Asturias, Spain. July 2009
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Nick Upton / Asturian mountain domestic cattle (Bos taurus) grazing on karst limestone clifftop grassland with Atlantic sea in the background, near Llanes, Asturias, Spain. July 2009
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Angelo Gandolfi / Karstic cliffs on the "Green Coast", Cantabria, Spain. July 2007.
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Piotr Naskrecki / Sago Cycad (Cycas revoluta) on karst rock formations, Hedo, Okinawa, Japan
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Piotr Naskrecki / Sago Cycad (Cycas revoluta) trees on karst formation, Hedo, Okinawa, Japan
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Piotr Naskrecki / Sago Cycad (Cycas revoluta) plants on karst rock formations, Hedo, Okinawa, Japan
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Piotr Naskrecki / Sago Cycad (Cycas revoluta) plants on karst rock formations, Hedo, Okinawa, Japan
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Piotr Naskrecki / Sago Cycad (Cycas revoluta) trees on karst formation, Hedo, Okinawa, Japan
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Michael Pitts / Karst limestone formation Central Highlands Papua New Guinea
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Sean Crane / Karst mountains and rainforest, Khlong Saeng Wildlife Sanctuary, Thailand
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Sean Crane / Karst mountains and rainforest, Khlong Saeng Wildlife Sanctuary, Thailand
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Sean Crane / Karst mountains and rainforest, Khlong Saeng Wildlife Sanctuary, Thailand
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Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) mother with young on limestone karst cliff, Guangxi, China
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Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) on limestone karst cliff, Guangxi, China
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Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) mother with young on limestone karst cliff, Guangxi, China
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Piotr Naskrecki / Sago Cycad (Cycas revoluta) on karst rock formations, Hedo, Okinawa, Japan
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Norbert Wu / Limestone islands that were coral reef habitat, Raja Ampat Islands, Indonesia
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Sirachai Arunrugstichai / Group of tourists with colourful kayaks entering a small beach surrounded by jagged karst formation of Prasat Hin Phanyod. An ecotourism destination managed by local community in Mu Koh Phetra Nationa...
