北京故宫博物院成为世界十大著名博物馆之一的原因？What has made the Imperial Palace Museum (Beijing) become one of the top ten famous museums in the world?

Thank you for taking the time to participate in this important survey about the Museum. You are doing important work and I am very grateful for that. I need to know more about the visitors’ motivation of the museum in order to ensure I can round off my dissertation with reliable quantity research. I want to know why you like to go to the museum and how the museum has achieved success, so that we can get more people interested in knowing more Chinese history and culture.