Guo Zeming, a student volunteer from the Beihang University, poses for photo at China National Convention Center (CNCC) in Beijing, capital of China, Nov. 7, 2014. CNCC is one of the venues of the 2014 APEC Economic Leaders Week, which is held in Beijing from Nov. 5 to 11. Guo, among a total of 1,155 volunteers at CNCC, keeps photo records of his fellow volunteers during the week. (Xinhua/Cheng Tingting)