A single Shag sits on one of the Moeraki Boulders at dusk North Otago New Zealand

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The famous Moeraki boulders of North Otago in New Zealand are septarian concretions formed around 60 million years ago in mudstone of the early Tertiary period Erosion of the soft cliffs has exposed these spherical concretions

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Size: 5010px × 3352px
Location: Moeraki, Otago, South Island, New Zealand
Photo credit: © Nexplosion / Alamy / Afripics
License: Licensed
Model Released: No

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