How to scare polar bears
When crossing the Arctic alone, how do you deal with close encounters with polar bears? Swiss explorer Thomas Ulrich outlines his approach. (Carlo Pisani, swissinfo.ch/visualimpact.ch)
When crossing the Arctic alone, how do you deal with close encounters with polar bears? Swiss explorer Thomas Ulrich outlines his approach. (Carlo Pisani, swissinfo.ch/visualimpact.ch)
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