According to the center's assessment, the increase in the number of visitors to the heritage sites was thanks to the effects of the Four Seasons Festival and corresponding festivals.

In the process of digitalizing ancient documents about Can Chanh Palace, Nguyen Tan Anh Phong and his collaborators discovered one of the two glass paintings currently hung at the Department of History, College of Sciences, Hue University is the precious painting which used to belong to Can Chanh Palace in the Imperial City.