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| The main entrance of Mammoth Cave. On hot days, the cave exhales air at 57 degrees, enough to cool the forest for more than a quarter mile around. |  |
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| Camera: Canon EOS DIGITAL REBEL XTi | Date: 8/30/08 2:52 PM | Resolution: 900 x 600 | ISO: 1600 | Exp. Mode: Auto exposure | Exp. bias: 0 EV | Exp. Time: 1/20s | Aperture: 3.5 | Focal Length: 24.0mm | White Balance: Manual white balance | Flash: Flash did not fire, auto | |
| Total images: 19 | My Live Journal | Generated by JAlbum 7.1 & Chameleon | Help |