The sauna scene, elevator scene and bathroom scene were filmed elsewhere in the greater Seoul region, and some shots were filmed in Songdo International Business District, which includes Songdo Central Park and International Business District Station.
The sauna scene, elevator scene and bathroom scene were filmed elsewhere in the greater Seoul region. Some shots were filmed in Songdo International Business District. Songdo International Business District includes Songdo Central Park. Songdo International Business District includes International Business District Station.