“The Coathanger” is open

IN MARCH 1932, after decades of planning and seven years of construction, the Sydney Harbour Bridge finally opened, physically linking the two sides of the city. This engineering marvel remains the tallest steel arch bridge in the world.

During its building and in the nine decades since its opening, the steel-and-granite structure has had many connections with the animal world and today is even something of an urban habitat. Environmental impact statements