中华门是南京城墙上最大的一座城门，也是世界建城史上最大的瓮城。
The Zhonghua Gate is the biggest gate in the wall, and it is also the biggest in the world.
大的感受来自于一条绕城铁路—从南京站到中华门。
The sense comes from a rail line that had circled around the city—the NanJing center to ZhongHuaMen gate line.
中华门是南京规模最大的城堡式城门。
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