observatory on top of a mountain against a blue sky

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Size: 6471px × 4183px
Photo credit: © Evgeny Haritonov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: astronomical, astronomy, blue, caucasus, high, knowledge, landscape, mountain, mountainous, observatory, peak, pik, research, russia, science, sky, telescope, terskol, top, universe