A journey around the world — by foot | Sarah Marquis

National Geographic Explorer Sarah Marquis has walked a distance equivalent to the circumference of the world, often encountering treacherous and inhospitable terrain, extreme temperatures and dangerous people. In this talk, she chronicles her latest journey through the harshest regions of Northern Australia. TEDArchive presents previously unpublished talks from TED conferences. Enjoy this unedited talk by Sarah Marquis. Filmed at TEDGlobal Geneva in December 2015.

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