The top 224 pixels of the image were cropped off with the command
jpegtran -crop 1500x894+0+231 Bryce_Amphitheater.jpg > Bryce_Amphitheater.jpg.crop
Note that jpegtran is a lossless way to crop: the remaining part of the image didn't lose any quality. (There are technical reasons why the result was 901 pixels high, not 894.)
A photograph of the amphitheater at Bryce Canyon National Park. The photo is from [http://www.nps.gov/brca/photo_gallery.html], specifically [http://www.nps.gov/brca/images/silentcity300.jpg]. The top 224 pixels of th
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