Xia Xicheng (5th L) introduces his strange stones collections to visitors at his museum in Huichun, northeast China's Jilin Province, May 16, 2018. Collector Xia Xicheng, 68, opened his own folk museum in Huichun. The museum, covering an area of over 30,000 square meters, displays more than 140,000 pieces of collections by Xia Xicheng. (Xinhua/Xu Chang)