With hardships, what motivates a scientist to spend their life extracting ice cores?

Helicopters unable to land due to thin air… Heavy equipment that has to be transported manually… Tents blown over at night by strong winds... These and other hardships – unimaginable to most people – are everyday encounters for an ice-core drilling team operating on the highest mountain on earth. So, what motivates scientists to dedicate their entire lives extracting ice cores? Researcher Xu Baiqing explains.

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