Fort Denison, otherwise known as Pinchgut Island. It is a small fortified island in Sydney Harbour, Australia.

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This kind of structure is known as a Martello Tower, and is relatively rare in the southern hemisphere.

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Size: 5096px × 3388px
Location: Sydney Harbour, Sydney, NSW, Australia
Photo credit: © D-Piction / Alamy / Afripics
License: Licensed
Model Released: No

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