Chinese singer Pang Xuan sings Chinese folk song "Jasmine" with singers of various nationalities dressed in their traditional costume during the celebrations for the sixth Chinese language day at United Nations headquaters in New York, on April 20, 2015. The celebration is held in April each year on Guyu, or literally "rain for crops," which is the sixth of 24 divisions of the solar year created by ancient Chinese. [Photo/Xinhua]