Kaifeng Tower is located in Tower Park in the northeast corner of Kaifeng City, Henan Province. It is called the iron tower because its appearance is all inlaid with brown glazed tiles. Brown bricks look like iron from a distance, and the tower itself is strong and abnormal, just like iron casting, so it is called "iron tower". Chaotian Palace is located in Shuiximen, Nanjing City, Jiangsu Province. According to legend, Fu Cha, the King of Wu, was first built and rebuilt in the 17th year of Hongwu in Ming Dynasty (1384), so it was renamed. There is Sanqing Hall in front, Datong Ming Hall, Feixia Pavilion and Jingyang Pavilion in the back. There is a Yi Xi Pavilion where civil and military officials practice welcoming ceremonies for North Korea. When you see it, you can feel how beautiful the ancient capital of the Six Dynasties was. Perhaps it is the epitome of the Six Dynasties. Kaifeng Tower was built in the Northern Song Dynasty (1049), and it is the only Song Dynasty relic in Kaifeng with a history of nearly a thousand years. The tower is 56.88 meters high and has 13 octagonal floors. It is the tallest glass tower in China. It is completely made of China wood structure. The tower is slender, tall and majestic, and it is full of colored glass bricks. The brick surface is decorated with lifelike flying sky, Buddha statue, geisha music and flowers, with more than 50 patterns. Surprisingly, the tower body is a wooden brick structure, but the tower brick is like wood cut by an axe, with tenons and eyes, grooves and grooves, which are airtight. Chaotian Palace is located in Shuiximen, Nanjing City, Jiangsu Province. According to legend, Fu Cha, the King of Wu, was first built and rebuilt in the 17th year of Hongwu in Ming Dynasty (1384), so it was renamed. There is Sanqing Hall in front, Datong Ming Hall, Feixia Pavilion and Jingyang Pavilion in the back. There is a Yi Xi Pavilion where civil and military officials practice welcoming ceremonies for North Korea. When you see it, you can feel how beautiful the ancient capital of the Six Dynasties was. Perhaps it is the epitome of the Six Dynasties. Kaifeng Tower is well-known at home and abroad for its exquisite and wonderful architectural art and majestic and slender posture, and is known as "the first tower in the world". Since its establishment, the iron tower has experienced more than 900 years of wind and rain baptism, 43 earthquakes, 19 windstorms and other natural disasters, as well as some man-made destruction, but it has always stood tall, like a witness and undertaker of history, standing on the land of the Central Plains, explaining its coldness and forbearance.

Kaifeng iron tower