Saturday, December 20, 2014
eiffel tower
construction started : 28 january 1887
completed : 15 march 1889
opening : 31 march 1889
owner: city of paris , France
height: 300.65 m
the sydney opera
construction started : 1 march 1959
completed: 1973
opening: 20 october 1973
cost : $ 102 million equivalent a $ 859 million in 2012
height :65m (213ft)
sydney bridge history
the sydney harbour bridge is a steel though arch bridge across sydney harbour that carries rail vehicular, bicycle, and pedestrian traffic between the sydney central business district (CBD) and the north shore the dramatic view of thebridge , the harbour, and the nearby sydney opera house is an iconic image of sydney,and australia.
carries : 8 road lanes, 2 rail tracks , 1 pedestrian way and 1 cycleway
total length: 1,149m(3,770ft)
width: 49m(161ft)
height:134(440ft)
construction begin :28 july 1923
construction end : 19 january 1932
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