Mars square stands the Eiffel Tower in Paris, France, is the world famous buildings, it is also one of the French cultural symbol, city landmark in Paris, one of the highest building in Paris, 300 meters high, antenna 24 metres high, total is 324 meters high, built in 1889, it gets its name from the design of the famous architect, structural engineer gustave Eiffel. The design of the tower is novel and unique. It is a technical masterpiece in the history of world architecture and an important scenic spot and outstanding symbol of Paris, France. The tower is steel structure and hollow, which can effectively reduce the influence of wind. It is a frame structure, with stability, and small on the big, light on the heavy, very stable.