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Which is the world's largest salt flat?
- Salar de Uyuni
- Etosha Pan
- Makgadikgadi Pan
- Bonneville Salt Flats
Answer: Salar de Uyuni
Salar de Uyuni in Bolivia is the world's largest salt flat (10,582 sq km). Formed by the transformation of prehistoric lakes, it contains about half the world's lithium reserves. During the rainy season, it becomes a giant mirror reflecting the sky.