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Karst Cave at Xinwen Stone Sea Global Geo Park, Sichuan Province, China, Asia
Tourist crossing a rope bride, Grand Tsingy, Tsingy du Bemaraha National Park, UNESCO World Heritage Site, western area, Madagascar, Africa
Southerscales Limestone Pavement and Ingleborough, Yorkshire Dales National Park, Yorkshire, England, United Kingdom, Europe
Pieskowa Skala Castle and Hercules Bludgeon, Trail of the Eagles' Nests, Krakow-Czestochowa Upland, Lesser Poland, Poland, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient stone castle perched atop a rugged limestone hill under a clear blue sky in Bristol, England, United Kingdom, Europe
Water of creek flows in the narrow limestone gorge carved by river, Aare Gorge, Bernese Oberland, Canton of Berne, Switzerland, Europe
Cenote Zaci, Valladolid, Yucatan, Mexico, North America
Tsingy de Bemaraha National Park, UNESCO World Heritage Site, Melaky Region, Western Madagascar, Africa
Calcified limestone terraces, Pamukkale, Turkey, Eurasia
Limestone stalactites and stalagmites in Ballic Cave, near Tokat, Central Anatolia, Turkey, Asia Minor, Eurasia
Thin-bedded Oligocene Cobden limestone, Punakaiki, Pancake Rocks, Greymouth, South Island, New Zealand, Pacific
Greene's Rabbitbrush (Chrysothamnus greenei) growing among the Tufa towers near the shores of Mono Lake, California, United States of America, North America
Limestone waterfall, Semuc Champey, Guatemala, Central America
Hikers on walkways admire the creek through the limestone gorge, Aare Gorge, Bernese Oberland, Canton of Berne, Switzerland, Europe
Traditional Longtail boats moored by Phra Nanag Beach with limestone islands in the background, Krabi, Thailand, Southeast Asia, Asia
View to limestone pinnacles of Faraglioni rocks from Giardini di Augusto, with spring flowers and boat, Capri Town, Capri, Italy, Mediterranean, Europe
Limestone stalactites and stalagmites in Ballic Cave, near Tokat, Central Anatolia, Turkey, Asia Minor, Eurasia
Water of creek flows in the narrow limestone gorge carved by river, Aare Gorge, Bernese Oberland, Canton of Berne, Switzerland, Europe
Ingleborough seen from the limestone pavement on Twistleton Scar, Yorkshire Dales National Park, North Yorkshire, England, United Kingdom, Europe
Sunset over the limestone pavement at Malham Lings, near Malham, North Yorkshire, England, United Kingdom, Europe
Tsingy de Bemaraha National Park, UNESCO World Heritage Site, Melaky Region, Western Madagascar, Africa
Tsingy de Bemaraha National Park, UNESCO World Heritage Site, Melaky Region, Western Madagascar, Africa
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Cliff top footpath running alongside limestone cliffs, Winspit, Isle of Purbeck, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe
Halong Bay, UNESCO World Heritage Site, Vietnam, Indochina, Southeast Asia, Asia
A solitary tree on the limestone pavement at Malham Lings, near Malham, North Yorkshire, England, United Kingdom, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Limestone Pavement above Watlowes Dry Valley, near Malham, Yorkshire Dales National Park, Yorkshire, England, United Kingdom, Europe
Small Tsingy, Tsingy de Bemaraha National Park, UNESCO World Heritage Site, Melaky Region, Western Madagascar, Africa
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
The Pinnacles limestone formations at sunset in Nambung National Park, Western Australia, Australia, Pacific
Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Limestone rocks, White Desert, Western Desert, Egypt, North Africa, Africa
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Limestone pavements, Burren, County Clare, Munster, Republic of Ireland, Europe
Minerva Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Marble landscape of Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
View from the limestone terraces to the fishing village, Ajuy, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Limestone pavements above Southerscales Scars, Ingleborough, Yorkshire Dales, Yorkshire, England, United Kingdom, Europe
Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Traditional Longtail boats moored by Railay Beach with limestone cliffs in the background, Ao Nang, Krabi, Thailand, Southeast Asia, Asia
Limestone Pavement above Watlowes Dry Valley, near Malham, Yorkshire Dales National Park, Yorkshire, England, United Kingdom, Europe
The Pinnacles limestone formations at sunset in Nambung National Park, Western Australia, Australia, Pacific
Limestone karst rocks at Phra Nang Beach, South Islands, Thailand, Southeast Asia, Asia
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
The Pinnacles limestone formations at sunset in Nambung National Park, Western Australia, Australia, Pacific
The Pinnacles limestone formations at sunset in Nambung National Park, Western Australia, Australia, Pacific
Ingleborough, seen from limestone benches above Kingsdale, Yorkshire Dales, Yorkshire, England, United Kingdom, Europe
Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Tourist boat in the turquoise sea framed by limestone cliffs, Porto, Southern Corsica, France, Mediterranean, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Limestone rocks, White Desert, Western Desert, Egypt, North Africa, Africa
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
Traditional Longtail boats moored by Railay Beach with limestone cliffs in the background, Ao Nang, Krabi, Thailand, Southeast Asia, Asia
Marble landscape of Thassos, Greek Islands, Greece, Europe
Limestone terraces at the cliffs to the Mirador, Ajuy, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Traditional Longtail boat moored by Phra Nanag Beach with limestone islands in the background, Krabi, Thailand, Southeast Asia, Asia
Ingleborough seen from Twistleton Scar, Yorkshire Dales National Park, North Yorkshire, England, United Kingdom, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
Devil's Thumb and Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Longtail boat and limestone cliffs, Koh Pakbia, Koh Hong Islands, Ao Nang, Krabi, Thailand, Southeast Asia, Asia
Marble landscape of Thassos, Greek Islands, Greece, Europe
Ancient quarry of Alyki, Thassos, Greek Islands, Greece, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
The Pinnacles limestone formations at sunset in Nambung National Park, Western Australia, Australia, Pacific
View from the limestone terrace to Ajuy, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Traditional Longtail boats moored by Phra Nanag Beach with limestone cliffs in the background, Krabi, Thailand, Southeast Asia, Asia
Marble landscape of Thassos, Greek Islands, Greece, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
Rocky coast of Thassos, Greece, Europe
Rocky coast of Thassos, Greece, Europe
Rocky coast of Thassos, Greece, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
Marble landscape of Thassos, Greek Islands, Greece, Europe
Rocky coast of Thassos, Greece, Europe
Limestone rocks, White Desert, Western Desert, Egypt, North Africa, Africa
Boats and limestone cliffs at Mesovrika Beach on the northeast coast, Anti-Paxos, Ionian Islands, Greek Islands, Greece, Europe
Durdle Door, an arch of Purbeck limestone on the coast, Dorset, England, UK
The Burren, limestone rock, County Clare, Munster, Republic of Ireland (Eire), Europe
Rock formations of The Burren, County Clare, Munster, Republic of Ireland, Europe
Rock formations of The Burren, County Clare, Munster, Republic of Ireland, Europe
Cliff palace ruins dating from 1200-1300 AD shaded in limestone overhang, Mesa Verde, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America (U.S.A.), North America
Dovedale reflections, hikers on stepping stones and Thorpe Cloud, limestone gorge in spring, Peak District, Derbyshire, England, United Kingdom, Europe
Plants growing amongst the limestone pavement, The Burren, County Clare, Munster, Republic of Irelan (Eire), Europe
Baroque mestizo limestone facade of the Cathedral in this colonial-style provincial capital, Riobamba, Chimborazo Province, Central Highlands, Ecuador, South America