![The Great Barrier Reef of Norfolk: 20 mile chalk bank found of British coast is world's longest | Daily Mail Online The Great Barrier Reef of Norfolk: 20 mile chalk bank found of British coast is world's longest | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2010/11/25/article-1332965-0C3B42DF000005DC-954_306x459.jpg)
The Great Barrier Reef of Norfolk: 20 mile chalk bank found of British coast is world's longest | Daily Mail Online
Natural England Norfolk & Suffolk on X: "Happy #WorldOceansDay! To celebrate @NENorfolkSufflk bring the outside in to The Reef at Sheringham run by @EveryoneActive and funded by @NorthNorfolkDC Cromer Shoal Chalk Beds
![The Great Barrier Reef of Norfolk: 20 mile chalk bank found of British coast is world's longest | Daily Mail Online The Great Barrier Reef of Norfolk: 20 mile chalk bank found of British coast is world's longest | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2010/11/25/article-1332965-0C3CB1F9000005DC-517_634x341.jpg)