National Geographic Adventurer Walked 20,000 Kilometres Alone

MAY 15 2010 · 16:15

Swiss adventurer and 2014 National Geographic Adventurer of the Year nominee Sarah Marquis likes to walk alone. From 2010-2013 she walked 20,000 kilometres from Siberia to Thailand, and then across Australia. She was at the 2016 Banff Mountain Film and Book Festival with her book, "Wild By Nature.