What famous Australien landmark was opened in 1932?

Why do you build canals? When was the Matterhorn first climbed? Why are ships unable to navigate from the Atlantic ocean all the way to the center of Africa on the Congo river? What are the skills of a zoo keeper? How did the builders overcome this problem of Parthenon? How are coral res being managed? Why the plane falls in Bermuda triagle? Where were the early river valley civilization developed? Who designed Versailles What year was it built What style has it been built? What is A curve in a river is called? Are there kangaroos in the the San Antonio zoo? What islands are in the middle of the Atlantic? The plateau where you can find the Great Salt Lakes? How humid can it get in the rain forest? What are Horizontal plane and vertical plane? How does burj Dubai protect from wind? What was the name of the river that burst its banks causing Britains summer floods? What country built an empire that stretched around the Mediterranean Sea founding cities and connecting much of Europe with a durable system of roads and aqueducts? What does a pig do in a county fair? How much does this trip cost to cross the Atlantic?