Dunhuang is in China, Dunhuang studies are not in China! Oracle bone inscriptions are in China, oracle bone studies are not in China! Millions of Chinese cultural relics have been lost, scattered in more than 200 museums in 47 countries around the world. Chang Xian said: No! We shouldn’t be the ones to go out and see Our cultural relics should be that they came to see him. If you think 'Collection Era' is not bad, please don't forget to recommend it to your friends in QQ groups and Weibo!