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07/03/2009
Countryside magazine. Helen Mark visits Scotland's rivers to find that the freshwater pearl mussel, already endangered, now faces new threats from unscrupulous thieves who kill all the mussels they gather in the hope of finding a precious pearl inside.
Last on
Thu 12 Mar 2009
15:02
蘑菇短视频 Radio 4
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- Sat 7 Mar 2009 06:07蘑菇短视频 Radio 4
- Thu 12 Mar 2009 15:02蘑菇短视频 Radio 4
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Open Country
Countryside magazine featuring the people and wildlife that shape the landscape of Britain
