It is the bell tower for Pisa Cathedral.However, not only is the marble tower beautiful,it is perhaps the tower in the world.It leans to one side and looks like it is going to fall over.

• 它是比萨大教堂的钟楼，但是，使之扬名世界的不仅仅是它美丽的大理石构造，而是因为它是向着一边倾斜，倾斜得岌岌可危。