Chinese People's Liberation Army (PLA) soldiers of a Chinese UN peacekeeping unit destined for Darfur in the Sudan, stan ready to board an aircraft leave for Sudan at the Xinzheng International Airport in Zhengzhou, central China's Henan Province, 23 November 2007.  One-hundred and thirty-five advance team soldiers of China's peacekeeping engineering unit left for Sudan on 23 November.   AFP PHOTO/TEH ENG KOON (Photo credit should read TEH ENG KOON/AFP/Getty Images)