Cold-loving reatures found in both Arctic and Antarctic waters
![A swimming snail (Limacina helicinia) that lives in both Arctic and Antarctic waters is seen in an undated handout picture. The snail is one of 235 cold-loving species found in both polar regions in a puzzle for scientists about how they reached both ends of the world. [Xinhua/Reuters]](http://images.china.cn/attachement/jpg/site1007/20090216/000bcdb95f1d0b0344eb58.jpg "A swimming snail (Limacina helicinia) that lives in both Arctic and Antarctic waters is seen in an undated handout picture. The snail is one of 235 cold-loving species found in both polar regions in a puzzle for scientists about how they reached both ends of the world. [Xinhua/Reuters]") |
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A swimming snail (Limacina helicinia) that lives in both Arctic and Antarctic waters is seen in an undated handout picture. The snail is one of 235 cold-loving species found in both polar regions in a puzzle for scientists about how they reached both ends of the world. [Xinhua/Reuters] |
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