P2220032 by David Maimó, on Flickr
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P1250126 by David Maimó, on Flickr
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Still is the Night II by kevin.kuhl, on Flickr
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Milky Way-Thadepati-Gosaikunda Trek-Nepal by mikemellinger, on Flickr
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Moon, airplane and Venus? by TeVerGezocht, on Flickr