The file photo taken on April 17, 2015 shows dancers of the Liaoning Ballet of China and Joburg Ballet of South Africa performing "Swan Lake" at the Joburg Theatre 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]