Bu Xilan (R) introduces embroidery skill to neighbours in Maping Village of Longde County, northwest China's Ningxia Hui Autonomous Region, May 23, 2017. Rural embroidery in Longde has a history of more than 100 years. The 67-year-old Bu was awarded as a successor of intangible cultural heritage of Ningxia in 2003. She also taught the skill to her children and neighbours. (Xinhua/Li Ran)