A worker with the local animal quarantine authorities burns chicken in Chengdu, Southwest China¡¯s Sichuan Province January 31, 2004. More than 20,000 chickens from bird flu hit Guangxi Zhuang Autonomous Region were found at the Chengdu Shuangliu International Airport. All the 20,000 chicken were destroyed to prevent the spread of the virus. [newsphoto]