Pupils practise traditional Andai Dance of Mongolian ethnic group at Shidong Road Primary School in Hohhot, capital of North China's Inner Mongolia autonomous Region, May 6, 2015. The Andai Dance, which is popular among people of Mongolian ethnic group at the Nadam and other traditional festivals, has been listed as one of the national intangible cultural heritages in 2011. [Photo by Ding Genhou/Xinhua]