Former UN Secretary General Kofi Annan dies at age of 80

File photo taken on Oct. 13, 2006 shows then UN Secretary-General Kofi Annan shaking hands with his successor Ban Ki-moon in New York. Former Secretary General of the United Nations and Nobel Peace Laureate Kofi Annan passed away at the age of 80 on Saturday, the Geneva-based Kofi Annan Foundation announced. (Xinhua/Zhao Peng)