FS2020 Scenery FS2020 – Office Complex Kassel (Germany) February 1, 2021 flight2000it 0 Comments Christian Grimsel FS2020 – Office Complex Kassel (Germany). Version 1.0.0. This add-on replaces the default buildings of the August Rosterg House in Kassel’s West-End with a custom made realistic one. By Christian Grimsel 2 MB