Chinese President Xi Jinping (front, L) and his wife Peng Liyuan (back, L) are welcomed by South African Minister of International Relations and Cooperation Maite Nkoana-Mashabane (back, R) and Minister of Public Enterprises Malusi Gigaba (front, R) at the Tambo International Airport of Johannesburg, South Africa, March 25, 2013. Xi arrived in South Africa Monday for a state visit to promote bilateral ties and for a summit of the BRICS countries. (Xinhua/Huang Jingwen)