Wu Kaixue checks the sound of Dingtang drums at his courtyard in Longtan Village, Shennongjia of central China's Hubei Province, May 21, 2018. Wu Kaixue, who is 75 years old, began to learn the making of Dingtang drums when he was 13. The making of Dingtang drums needs natural resources from the Shennongjia forest and also requires high standard of techniques. Wu makes 100 plus drums in a year and his fame has spread far away. (Xinhua/Du Huaju)