An acrobat jumps through a ring of knives and fire during a performance at the 2nd Anhui Folk Acrobatic Art Festival in Linquan county, Anhui province Nov 15, 2011. A total of 46 acrobatic groups and more than 400 acrobats performed during the three-day festival, according to the organizers. [Photo/Agencies] 

A vendor hangs a Chinese paper umbrella onto a string at his stall in an antique market in Xi'an, Shaanxi province Nov 15, 2011. [Photo/Agencies]