Visitors appreciate an art product about "buildings" composed of Chinese banknotes during the 2007 Beijing 798 Creative Cultural Festival in Beijing 798 Art Zone October 14, which marks the 50th anniversary of the 798 art factories. 798 Art Zone, or Dashanzi Art District, is a part of Dashanzi in the Chaoyang District of Beijing that houses a thriving artist community. [Photo: cnsphoto]