Tinpis, that is a historic photo. It is actually of the iceberg cruising past the Opera House just before it became apparent that it was an April Fools Day joke!
Hugh, here is the photo. However I can’t see anyone with a huge…. so it may have been before or after your time – then again, maybe you don’t want to be discovered!
To the moderators, this actually has an aviation link. Even though the photo was not taken on the North Ryde helipad, the airspace in the top quarter of the picture is future ADS-B airspace.