The West Gate Bridge Collapse - At 11:50 am on 15 October 1970, a 367-ft (112 m) span of the West Gate Bridge collapsed during construction. http://anengineersaspect.blogspot.com/2009/10/west-gate-bridge-collapse-on-its-39th.html#
Flinders Street Station c1854. Australia's first railway. This is a copy of the original sketch by S.T. Gill showing the first station buildings and the single line from Sandridge (Port Melbourne). Image from the State Library Victoria collection.