The Australians can lay 
claim to the longest fence
in the world - the Dingo Fence.
At 5,320 kilometres long, the fence is one of the longest structures on the planet and is 3.325 times longer than New Zealand!
Built during the 1880s, the 6 ft high
wire mesh fence, which also extends
1 ft underground, was designed to
keep dingoes out of the south-east 
part of the continent and protect the sheep flocks of southern Queensland. Although the fence was only partially successful - dingoes can still be found in parts of the southern states - it did reduce the losses of sheep to predators.
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Julian said...
Why not make the line straight? How does it compare with the great wall of China?
June 15, 2007 at 9:00 PM
Heather said...
The Great Wall of China is roughly 6,400 km long. About 1,100 km longer than the Dingo Fence.
June 16, 2007 at 5:29 PM
Adam Dawson said...
Never heard of the dingo fence before... :-/
June 19, 2007 at 9:25 PM
Heather said...
That's because you're not an Aussie :P
June 20, 2007 at 9:20 AM
Julian said...
And because you don't read as widely as Briar :P
Don't worry, I hadn't heard of it before.
June 20, 2007 at 3:51 PM