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ASU Now - OLLI Petroglyph

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PHOENIX - October 2, 2019 - ASU Now - OLLI Petroglyph - Osher Lifelong Learning Institute students Dr. David Winston, left, and Tom Landy wait for another student to push the remote shutter release as they take reflectance transformation images of the frog petroglyph at the Deer Valley Petroglyph Preserve, Wednesday, October 2, 2019. Associate Professor Matthew Peeples guided the three-hour session on 'The Art of Rock Art,' by talking about the prehistoric people scratching their drawings into the basalt stones and showing two photographic techniques to create high-resolution and 3-D images to highlight the faded works. Photo by Charlie Leight/ASU Now

Filename
20191002 OLLI Petroglyph 295.jpg
Copyright
Copyright Arizona Board of Regents
Image Size
5647x3765 / 19.8MB
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PHOENIX - October 2, 2019 - ASU Now - OLLI Petroglyph - Osher Lifelong Learning Institute students Dr. David Winston, left, and Tom Landy wait for another student to push the remote shutter release as they take reflectance transformation images of the frog petroglyph at the Deer Valley Petroglyph Preserve, Wednesday, October 2, 2019. Associate Professor Matthew Peeples guided the three-hour session on 'The Art of Rock Art,' by talking about the prehistoric people scratching their drawings into the basalt stones and showing two photographic techniques to create high-resolution and 3-D images to highlight the faded works. Photo by Charlie Leight/ASU Now