The Opera House was completed in 1973 and is one of the most easily recognised modern buildings in the world. The roof is made from pre-case concrete and the walls are mostly granite. The roof shells are sections of a 75 meter radius sphere, and the building covers 1.8 hectares and is 183 meters long and a maximum of 120 meters wide. The height is 65 meters.
I usually write a blog post about once a week. The latest post can be viewed here: Sheeple: Are they succumbing to fake news, misinformation, and propaganda. (posted 2025-09-24 at 17:12:31). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2029-09-09 Kiwi Values: From a practical perspective it has too many problems..
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