Chinese language students of the Universitary Language Centre perform Chinese pop songs, during a recital organized by the Confucius Institute of Buenos Aires' University, in Buenos Aires city, capital of Argentina, on Sept 26, 2014. The activity takes place as part of the celebrations for the Day of the Confucius Institute. The Day of the Confucius Institute is celebrated worldwide on Sept 27, marking the 10th anniversary of the establishment of the Confucius Institute. [Photo/Xinhua]