Former UN Secretary General Kofi Annan dies at age of 80

File photo taken on Dec. 22, 2006 shows then UN Secretary-General Kofi Annan speaking during a UN Security Council meeting 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)