South Korean singer Psy practises some "Gangnam Style" dance steps with U.N. Secretary-General Ban Ki-moon during a photo opportunity at the U.N. headquarters in New York

 
South Korean singer Psy practises some "Gangnam Style" dance steps with U.N. Secretary-General Ban Ki-moon during a photo opportunity at the U.N. headquarters in New York
South Korean singer Psy (R) practises some "Gangnam Style" dance steps with U.N. Secretary-General Ban Ki-moon during a photo opportunity at the U.N. headquarters in New York October 23, 2012. REUTERS/Eduardo Munoz