PLOS ONE, a peer-reviewed journal administered by the Public Library of Science. Image: Permission cc-by-2.5 from the date 2006.08.23 by the keeper of the Sven Hedin Foundation Håkan Wahlquist, Box 27 140, SE-102 52 Stockholm, Sweden, Phone: +46-8-519 550 18, fax: +46-8-519 550 70, e-mail: hakan.wahlquist@etnografiska.se]]>
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