Ryeowook, a member of South Korean boy band Super Junior, speaks to the media during a news conference before their concert "Super Show 4" at Olympic Gymnastics Hall in Seoul November 20, 2011.[Photo/Agencies]

Siwon (R), a member of South Korean boy band Super Junior, listens to a reporter's question during a news conference before their concert "Super Show 4" at Olympic Gymnastics Hall in Seoul November 20, 2011.[Photo/Agencies]