by the end of 1920s, nieuwe zakelijkheid ("new objectivity") became popular in the dutch east indies. the form was even more austere and reduced than its predecessor, employing angular shapes and designs that are essentially free of decoration. the style shows early transition into international style. earliest example of this is bank mandiri museum (1929), built under a well-planned spatial planning around the station square "waterlooplein" of kota station, a sample of pre-world war ii urban planning which for southeast asia was completely unprecedented and new. other notable examples is palembang city hall (snuyf, 1928-1931, nicknamed "gedung ledeng", indonesian "plumb building") and kota post office building (baumgartner, 1929).