cave entrance, mysterious den opening with blue sky, 3d render background banner

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Size: 7200px × 2400px
Photo credit: © dotted zebra / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 3d, adventure, background, banner, big, blue, border, bright, cave, cavern, caves, dark, den, empty, entrance, environment, exploration, frame, geology, header, hole, illustration, landscape, light, mountain, mysterious, mystery, natural, nature, outdoor, rock, scary, scene, sky, stone, sun, tourism, travel, tunnel, underground, wall