A machine carves patterns on Yuping bamboo flutes at a workshop in Yuping Dong Autonomous County, southwest China's Guizhou Province, March 23, 2019. As a traditional Chinese musical instrument, Yuping bamboo flute is famous for its clear tone and delicate carving. Made from local bamboo, there are dozens of procedures in the making of this instrument. It was listed as a national intangible cultural heritage in 2006. (Xinhua/Huang Wanxin)