File:Hexagons, Salar de Uyuni, Bolivia (2086104060).jpg
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Summary
[edit]DescriptionHexagons, Salar de Uyuni, Bolivia (2086104060).jpg |
The ridges form as the salt crystallises from the evaporating water following the rains each year. Salar de Uyuni (or Salar de Tunupa) is the world's largest salt flat at 10,582 km² (4,085 square miles)[1]. It is located in the Potosí and Oruro departments in southwest Bolivia, near the crest of the Andes, 3,650 meters high. The major minerals found in the salar are halite and gypsum. Some 40,000 years ago, the area was part of Lake Minchin, a giant prehistoric lake. When the lake dried, it left behind two modern lakes, Poopó Lake and Uru Uru Lake, and two major salt deserts, Salar de Coipasa and the larger Uyuni. Uyuni is roughly 25 times the size of the Bonneville Salt Flats in the United States. Salar de Uyuni is estimated to contain 10 billion tons of salt, of which less than 25,000 tons is extracted annually. All miners working in the Salar belong to Colchani's cooperative. They work from dawn to dusk and most of them do not take a lunch break in order to take advantage of time, getting energy by chewing coca leaves. Every November, Salar de Uyuni is also the breeding grounds for three species of South American flamingos: the Chilean, James's and Andean flamingos. It is also a significant tourist destination; highlights include a salt hotel and several so-called islands. en.wikipedia.org/wiki/Salar_de_Uyuni |
Date | |
Source | Hexagons, Salar de Uyuni, Bolivia |
Author | Pedro Szekely from Los Angeles, USA |
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This image, originally posted to Flickr, was reviewed on 29 January 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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current | 21:44, 29 January 2013 | ![]() | 1,600 × 1,067 (532 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:russavia |
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Camera manufacturer | Canon |
Camera model | Canon EOS 30D |
Author | unknown |
Exposure time | 1/80 sec (0.0125) |
F-number | f/22 |
ISO speed rating | 100 |
Date and time of data generation | 08:16, 18 August 2007 |
Lens focal length | 28 mm |
Short title |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 22:06, 3 December 2007 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 08:16, 18 August 2007 |
APEX shutter speed | 6.321928 |
APEX aperture | 8.918863 |
APEX exposure bias | 0.66666666666667 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Focal plane X resolution | 3,959.3220338983 |
Focal plane Y resolution | 3,959.3220338983 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Width | 1,600 px |
Height | 1,067 px |
Serial number of camera | 720506364 |
Lens used | EF28-135mm f/3.5-5.6 IS USM |
Owner of camera | unknown |
Date metadata was last modified | 06:07, 4 November 2007 |
Rating (out of 5) | 3 |
Software used | Adobe Photoshop Lightroom |
Copyright status | Copyright status not set |
Keywords |
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IIM version | 2 |