Members of the first batch of China's first peacekeeping engineering contigent to Darfur board the plane back to China at the airport in Nyala, capital of South Darfur State of Sudan, Jan. 11, 2009. A special plane carrying the first group of 160 soldiers of China's second peacekeeping engineering contigent to Darfur arrived in Nyala on Sunday to replace the first contigent, who have been in Darfur since November 2007.