State Government Offices, Geelong
The amazing Brutalist-style State Government Offices, located on the corner of Little Malop & Fenwick Streets in Geelong, Victoria, Australia.
Known by locals as the "upside-down building", the State Government Offices were constructed in 1978-79* and opened on 20 March that year by Rupert Hamer.
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* Big thanks to w00dsy for confirming the construction dates.