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Scientists grapple with looming volcanic question

By Duan Yan | China Daily | Updated: 2011-05-24 07:54

Scientists grapple with looming volcanic question

Zhong Guangpei (left) and Su Xiaoyi, two staff members at Changbaishan Tianchi Volcano Observatory, measure the temperature of a hot spring on Changbai Mountain to monitor the volcano's activity. Zhang Tao / China Daily

Scientists grapple with looming volcanic question

Scientists grapple with looming volcanic question

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