The image is a postage stamp with a purple circle in the center. Inside the circle, there is an illustration of a tall tower with a blue sky and white clouds in the background. The tower is surrounded by a purple border and has Chinese characters written on it. On the top left corner of the stamp, there are two stamps, one with the number 25 and the other with the text "10-9". The stamp on the top right corner has the same text as the one on the bottom left corner.