caves

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May 26, 2013 / 5,924 notes

odditiesoflife:

Stockholm’s Subway

The most beautifully designed subway tunnels in the world are found in Stockholm, Sweden. The grand architecture reminds its travelers that they are deep underground. Featuring painted cave walls and ceilings, the design is more like an art gallery than a subway.

(via thebaconsandwichofregret)

Jun 26, 2012 / 37,782 notes
magicalnaturetour:

 Gupteshwor Mahadev Cave by Anton Saltanov :)
Jun 24, 2012 / 652 notes

magicalnaturetour:

Gupteshwor Mahadev Cave by Anton Saltanov :)

(via wolfdancer)

Jun 21, 2012 / 272 notes
Apr 26, 2012 / 163 notes

Cave of the Crystals or Giant Crystal Cave (Spanish: Cueva de los Cristales) is a cave connected to the Naica Mine 300 metres (980 ft) below the surface in Naica, Chihuahua, Mexico. The main chamber contains giant selenite crystals (gypsum, CaSO4·2 H2O), some of the largest natural crystals ever found. The cave’s largest crystal found to date is 11 m (36 ft) in length, 4 m (13 ft) in diameter and 55 tons in weight. The cave is extremely hot with air temperatures reaching up to 58 °C (136 °F) with 90 to 99 percent humidity. The cave is relatively unexplored due to these factors. Without proper protection people can only endure approximately ten minutes of exposure at a time.

(via dynastylnoire)

Dec 11, 2011 / 4,180 notes
May 11, 2011 / 526 notes
Apr 9, 2011 / 49 notes
"Will ye look at deese!” roars Clarky, kneeling beside a dried-up pool. Sweeny and I gather around. Inside the pool, illuminated by our headlamps, are cave pearls.
Cave pearls are formed when a drop of water from the ceiling hits the limestone floor and throws up a speck of rock. This grain is jostled in its little cup of stone every time a drop hits it. Over thousands of years, a solid, almost perfectly round calcite pearl is formed.SOURCE
Jan 4, 2011 / 3 notes
"Will ye look at deese!” roars Clarky, kneeling beside a dried-up pool. Sweeny and I gather around. Inside the pool, illuminated by our headlamps, are cave pearls.
Cave pearls are formed when a drop of water from the ceiling hits the limestone floor and throws up a speck of rock. This grain is jostled in its little cup of stone every time a drop hits it. Over thousands of years, a solid, almost perfectly round calcite pearl is formed.

SOURCE