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The metal structure of the Eiffel Tower has a mass of 7300 tons, or 7.3 million kilograms. The design of the tower is very space-efficient: if you melted down the pure iron* that it is made of, it would occupy a volume of only 930m3, equivalent to a sphere with a radius of just six metres.
In France, the Eiffel Tower is known as La Tour Eiffel or la dame de fer, which means âthe iron lady.. It's an iron lattice tower that stands 984 feet tall (1,063 feet if you include the broadcast antennas at the top). At completion, it passed the Washington Monument as the tallest man-made structure in the world. It held that title until 1930, when the Chrysler Building was built in New York City. The Eiffel Tower remains the tallest building in Paris. It is also the most-visited paid monument in the world.