‘Time Travel: Jungdong 1900’ reproduces the appearance of Jungdong from 1890 to 1910 as Appenzeller’s view at that time. If you walk around the narrowed square in the exhibition hall, you can see the people of the time as the streets of that time spread out. At that time, Jungdong was coming to a new century with a dynamic appearance in which various races and Koreans of various identities reside. Spaciously, the mountains in Seoul unveil urban existence as a landmark unlike the present, and the changes of four seasons fill the space of Jeongdong with the exciting of the era.