DE-463591, sent by Sandra.
The city is home to many prominent parks, such as Hyde Park, Royal Botanical Gardens and national parks. This is a major factor, along with Sydney Harbour that has led to the city’s reputation as one of the most beautiful in the world.
According to the Mercer cost of living survey, Sydney is Australia’s most expensive city, and the 66th most expensive in the world. Sydney also ranks among the top 10 most livable cities in the world according to Mercer Human Resource Consulting and The Economist." - in: wikipedia