South Korean rapper PSY displays a Chinese knot yesterday during a press conference in Shanghai to the delight of local TV hostess Chen Chen. Today, PSY is taking part in a recording of Dragon TV's Spring Festival variety show, which will be broadcast on February 10, the Chinese New Year. PSY is expected to make a spectacular helicopter entrance at the Shanghai Qizhong Tennis Center to perform "Gangnam Style," the global pop sensation he made last year, and dance with robots, according to the gala director. [Photo/CFP]