"The Unknown Zone_Invitation I: Aliens" was the first solo exhibition in 2002 by Eunsu Kang. As a 2002 Insa Art Space (The Korean Art and Culture Foundation) juried exhibition, it was sponsored by InfoArtKorea and CyberMed Inc. This exhibition consists of five video installations.

Participants are led to a dark space where they encounter five floating motion pictures, entitled Medium, in a hallway. As they turn a corner, visitors are welcomed by four creatures: Chrysalis who breathes underwater, Persephone who cowers near the corner of the big main space, Siren who sings without a mouth, and Struldbrugg who transforms its head on the sand. These aliens, neglected and outcast from normal society, arrive at the Unknown Zone. By exposing themselves through a chasm in the unknown zone, they hope to neutralize their own isolation by colliding and communicating with the participants.