![Pourewa Island (originally named Spöring Island by Cook) beside Cook's Cove, sight of Captain James Cook's landing in 1769. Aerial view, Tolaga Bay, Gisborne District, Gisborne Region, New Zealand (NZ). Stock photo Pourewa Island (originally named Spöring Island by Cook) beside Cook's Cove, sight of Captain James Cook's landing in 1769. Aerial view, Tolaga Bay, Gisborne District, Gisborne Region, New Zealand (NZ). Stock photo](https://www.naturespic.com/i/62989OP00_w.jpg)
Pourewa Island (originally named Spöring Island by Cook) beside Cook's Cove, sight of Captain James Cook's landing in 1769. Aerial view, Tolaga Bay, Gisborne District, Gisborne Region, New Zealand (NZ). Stock photo
![attol - a ring-shaped reef, island, or chain of islands formed of coral. | Birds eye view, Aerial view, Island attol - a ring-shaped reef, island, or chain of islands formed of coral. | Birds eye view, Aerial view, Island](https://i.pinimg.com/1200x/5d/0c/17/5d0c17601c445bf604372494174c6a99.jpg)
attol - a ring-shaped reef, island, or chain of islands formed of coral. | Birds eye view, Aerial view, Island
![SERIOUSLY STRANGE on Twitter: "A ring-shaped island known as Tikehau, located in the Pacific Ocean. https://t.co/SO0tdEIi37" / Twitter SERIOUSLY STRANGE on Twitter: "A ring-shaped island known as Tikehau, located in the Pacific Ocean. https://t.co/SO0tdEIi37" / Twitter](https://pbs.twimg.com/media/CsUSAtxVUAAXM15.jpg)
SERIOUSLY STRANGE on Twitter: "A ring-shaped island known as Tikehau, located in the Pacific Ocean. https://t.co/SO0tdEIi37" / Twitter
![IJsseloog artificial ring island in Ketelmeer Lake in the Netherlands was built to hold huge amounts of toxic dirt. IJsseloog artificial ring island in Ketelmeer Lake in the Netherlands was built to hold huge amounts of toxic dirt.](https://compote.slate.com/images/38f2f387-8517-46d5-a904-0888e797986e.jpg)