The file photo taken on April 21, 2015 shows a visitor appreciating the painting "Mandela" by Chinese artist Li Bin (not in the picture) at the University of Johannesburg, in Johannesburg, South Africa. China and South Africa have held more than one hundred wonderful activities and events in major cities in the nine provinces across South Africa since South Africa officially kicked off the Year of China on March 15, 2015. [Photo/Xinhua]