My favorite scenes

Baiticheng can be seen on the top (6:00-7:00a.m.)

　　　　　　　　　　　
enlarging the Baiticheng (White Castle)

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I guess you are tired, but....., could you answer the question below?

Q: Please choose a picture which has no relation to Changjiang？

1)　　　2)

3) 　　4) 　　　

5) 　　6)