Answer the questions.(根据短文内容，回答下列问题)

    Singapore(新加坡) is the cleanest city in Asia. It is also the smallest country in Asia, but the shops and the restaurants are just as good as those in other cities. It is a green city with beautiful gardens and parks. So it is called a garden city.

    The Bird Park is a very interesting place to visit in Singapore. It is about twelve kilometres from the centre of the city, it is easy to go there by bus or taxi.

    The Bird Park is one of the largest bird parks in the world. There are hundreds of beautiful birds from many different places of the world. There is a big lake in the park. A restaurant is beside it. There is a very large cage and you can walk inside the cage. It takes two hours to see all the birds.