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I got a postcard from China on my birthday. It is very beautiful. The postcard is about the Great Wall. It's from my pen friend Daming. The Great Wall is very famous in the world. When I was five years old，I went to China with my parents and I visited the Great Wall. Now I think it is more beautiful than before. The Great Wall is more than twenty thousand kilometres long. People from all over the world go to China to visit it. I want to visit the Great Wall again.