Can you bite your own nose? Go on, give it a go. What about an ear? Street performer Tang Shuquan is offering 100,000 yuan ($15,800) to anyone who can beat his Guinness World Record badge for making the most twisted face. Tang, performing here in Chengdu, Southwest China's Sichuan province on June 5, 2012, was recognized by the record holders at a show in Italy in March and awarded $10,000 and a badge. [Photo/CFP]

Tang Shuquan grimaces as he holds a badge awarded by the Guinness World Records in a street in Chengdu, Southwest China's Sichuan province, June 5, 2012. [Photo/CFP]

Tang Shuquan, looks for someone who can grimace in a street in Chengdu, Southwest China's Sichuan province, June 5, 2012. [Photo/CFP]