Sydney Wildlife World is the world's largest indoor wildlife park, and also the world's largest indoor wildlife park with many kinds of Australian animals and plants, living in thousands of animals. The zoo opened to the public in 2006. It is popular with tourists because of its attractiveness and interactivity. Although it has not been long since its opening, it has become a famous attraction in Sydney and a world-class zoo. The time spent in the zoo is not long. The most impressive ones are kangaroos and koalas.