Visiting Chinese President Xi Jinping (front, L) and his wife Peng Liyuan, accompanied by South African President Jacob Zuma (front R) and his wife Bongi Ngema, walk during a welcome ceremony held for his state visit, in Pretoria, South Africa, March 26, 2013.(Xinhua/Lan Hongguang)

Visiting Chinese President Xi Jinping reviews the guard of honour during a welcome ceremony held for his state visit by South African President Jacob Zuma in Pretoria, South Africa, March 26, 2013. (Xinhua/Lan Hongguang)