The wooden drum has long been of significance in the Wa ethnic culture. From the olden times, the drum has been regarded as the medium through which Wa people talk to the grain god. The wooden drum is still the most noble and sacred musical instrument. Follow CGTN's Yang Xinmeng into this centuries-old Wa village in southwest China's Yunnan Province to find out the stories of the wooden drum and trace the origin of the Wa ethnic group.