File:Grotte du Grand Roc - Pond of triangular fractal limestone crystals - 20090923.jpg
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![File:Grotte du Grand Roc - Pond of triangular fractal limestone crystals - 20090923.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Grotte_du_Grand_Roc_-_Pond_of_triangular_fractal_limestone_crystals_-_20090923.jpg/400px-Grotte_du_Grand_Roc_-_Pond_of_triangular_fractal_limestone_crystals_-_20090923.jpg?20091102195754)
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[edit]DescriptionGrotte du Grand Roc - Pond of triangular fractal limestone crystals - 20090923.jpg |
English: Triangular fractal speleothems, in the Grand Roc cave ("Big Rock"), Les Eyzies de Tayac, Dordogne, France. This natural cave contains a lot of limestone cave formations. It's an Unesco World Heritage site, as part of the "Prehistoric Sites and Decorated Caves of the Vézère Valley".
Français : Fractales triangulaires de cristaux calcaires, dans la Grotte du Grand Roc, Les Eyzies de Tayac, Dordogne, Aquitaine, France. Cette grotte naturelle présente un grand éventail de concrétions calcaires à cristallisation. Elle est classée au patrimoine mondial de l’Unesco, parmi les sites préhistoriques et grottes ornées de la vallée de la Vézère. |
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Source | Own work |
Author | Sémhur |
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Camera location | 44° 56′ 58.2″ N, 0° 59′ 53.88″ E ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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current | 19:57, 2 November 2009 | ![]() | 2,592 × 3,888 (2.8 MB) | Sémhur (talk | contribs) | == {{int:filedesc}} == {{Information |Description= {{en|1=Triangular fractal speleothems, in the Grand Roc cave ("Big Rock"), Les Eyzies de Tayac, Dordogne, France. This natural cave contains a lot of limeston |
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Camera manufacturer | Canon |
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Camera model | Canon EOS 400D DIGITAL |
Exposure time | 1/40 sec (0.025) |
F-number | f/5 |
ISO speed rating | 1,600 |
Date and time of data generation | 16:15, 23 September 2009 |
Lens focal length | 33 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 19:30, 29 October 2009 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 16:15, 23 September 2009 |
APEX shutter speed | 5.3219299316406 |
APEX aperture | 4.6438598632812 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 4,433.2953249715 |
Focal plane Y resolution | 4,453.6082474227 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |