Blue holes
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![How Saudi Arabia champions cutting-edge research into unique Red Sea marine environments — blue holes How Saudi Arabia champions cutting-edge research into unique Red Sea marine environments — blue holes](https://www.arabnews.com/sites/default/files/styles/n_670_395/public/main-image/2024/03/29/4296826-1594550441.jpg?itok=ZIK_P0KR)
- Expeditions carried out by the Saudi National Center for Wildlife and OceanX have revealed 20 blue holes
- Future exploration will further map these extremely deep underwater formations and identify diverse species
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