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BBC Learning English - 6 Minute English / Did a civilisation exist on Earth before humans?
Have you ever heard of the Silurian hypothesis?
↗ https://www.bbc.co.uk/learningenglish/features/6-minute-english_2025/ep-251023Have you ever heard of the Silurian hypothesis?
↗ https://www.bbc.co.uk/learningenglish/features/6-minute-english_2025/ep-251023