Complex sentence: 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.
Split into simpler sentences: 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.