I notice the Inuit and Hmong have this similar style head wear. Also look at the woman middle cloth that she is wearing.
Inuit:
http://nsidc.org/news/images/2012_shari.jpg
Hmong:
http://www.flickriver.com/photos/chris-tessier/2220054451/#large
Inuit and Hmong: Have this similar style head wear
NSIDC scientist leads Nunavut-Nepal exchange
“Inuit hunter Liemikie Palluq (left) and NSIDC researcher Shari Gearheard dressed in the traditional clothing of their Tsumba hosts.”
http://nsidc.org/news/press/20120320_gearheard_nepal.html