The 
                          Three Sisters are a famous rock formation in the Blue 
                          Mountains of New South Wales, Australia. They are close 
                          to the town of Katoomba and are one of the Blue Mountains' 
                          most famous sights, towering above the Jamison Valley. 
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                      A 
                          cockatoo is any of the 21 bird species belonging to 
                          the family Cacatuidae. Along with the Psittacidae family 
                          (the true parrots), they make up the order Psittaciformes. 
                          The name cockatoo originated from the Malay name for 
                          the bird. MORE... 
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