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Wierzchowska Gorna Cave in Wierzchowie, Poland.
Elephanta Caves, a series of rock-cut temples on Elephanta Island, is located in Mumbai Harbour. The complex was constructed around 600AD and is filled with rock art linked to the cult of Shiva. The site was designated a World Heritage Site in 1987.
Old sand mine at sunset, light of the day penetrating into it
A young person taking a photo from a massive Mine Cave in Garmsar of Iran
Antakya Turkey; November 27, 2022: Besikli Magara. Turkish meaning: Besikli Cave in Samandag, Hatay - Turkey.
View from the inside of Old Man's Cave looking toward the bridge.
Old mine for extraction of sand and stone
July and August -1986, old Positive Film scanned, Enniskillen,  Northern Ireland.
Graham Cave SP - Cave Entrance - 1998. Scanned from Kodachrome 200 slide.
Close-up of the rugged rock wall lining an underground tunnel
In rock massifs of alpine peaks there are small caves that were used by Germans, Austrians and Russians in the line of Arpad during the First World War
Boat tours are famous at Trang An, near Hanoi, Vietnam.
Hole in \
Unique underground geology of  stalactites and stalagmites.
Underground geologic formations located in  Longhorn Caverns State Park in Texas.
Ceiling details at Yungang Grottoes, ancient Chinese Buddhist temple grottoes built during the Northern Wei dynasty near the city of Datong, in the province of Shanxi. They are excellent examples of rock-cut architecture and one of the three most famous ancient Buddhist sculptural sites of China. The others are Longmen and Mogao.
Hercules cave in Tanger, Morocco
석회암 동굴의 벽 VD702
a small cave in the rock reef that call cerme cave  in gunung kidul jogjakarta
Lava Tubes are collapsing around the Queen's Bath area of Hawaii.
Ancient plane tree of the thirteenth century in Kitab
Deep underground of the WWI bunker, carved and mined into solid rock.
Gudzona cave One of the deepest caves in Latvia 27m on a winter day, Mazsalaca, Latvia
Moss covered rocks in Nimara Cave in Marmaris, Turkey
Speleology hike to the cave, lantern illuminates the underground abyss karst formation, lime cave, passage dirty bottom clay. High quality photo
Belum caves, India's longest natural cave system Andhra Pradesh, India
The sun's rays gently stream through the crevices, casting a warm glow upon the rugged textures within the rocky cave.
The Rivona Caves also known as the Pandava caves, Rivona, South Goa, India
The Coast of Tofino, on Vancouver Island.
Free Images: "bestof:Photograph of Cave at Cave-in-Rock - NARA - 2127789.jpg Scope and content Original caption Cave at Cave-in-Rock used by river pirates in 1790's General notes"
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