https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/440644![Large field of sand dunes on Kaiser Crater. Original from NASA. Digitally enhanced by rawpixel.](https://images.rawpixel.com/image_social_landscape/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvcGQzNi0xLXBpYTIxMDM4LmpwZw.jpg)
![Large field of sand dunes on Kaiser Crater. Original from NASA. Digitally enhanced by rawpixel.](https://images.rawpixel.com/image_social_landscape/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvcGQzNi0xLXBpYTIxMDM4LmpwZw.jpg)
Large field of sand dunes on Kaiser Crater. Original from NASA. Digitally enhanced by rawpixel.
Large field of sand dunes on Kaiser Crater. Original from NASA. Digitally enhanced by rawpixel.
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