How did the Eiffel Tower last so long?

Constructed using puddle iron, the Tower is protected from oxidation by several coats of paint to ensure that it lives forever.



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It was met immediately with tremendous success. Only intended to last 20 years, it was saved by the scientific experiments that Eiffel encouraged, and in particular by the first radio transmissions, followed by telecommunications.

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The Eiffel Tower is cleaned every year with four tons of wipes, 25,000 garbage bags, 10,000 doses of detergent, and 105 gallons of metal cleaning solution!

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It is made of lattice-shaped wrought iron with 20,000 lights. The Eiffel Tower was built for $1.5M in 1889. If we inflation adjust this original cost using CPI, we get $44M. According to a 2012 study by the Chamber of Commerce of Monza and Brianza in northern Italy, it is worth $510 billion.

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Eiffel won an open competition to design the Eiffel Tower, which was to be the crowning glory during the Paris World Fair of 1889.
  • It Took 22 Months to Complete.
  • The Eiffel Tower Is Made of Iron.
  • The Eiffel Tower Has Three Floors.
  • The Eiffel Tower Has to be Repainted Every 7 Years.


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Financing of the Eiffel Tower: the Franco-Egyptian Bank enters the scene. In 1888, the cost of building the Eiffel Tower was estimated at 6.5 million francs, with public authorities only being able to cover 1.5 million francs of this cost. Eiffel therefore approached banks to raise the additional 5 million francs.

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The paint wears off with time and rain, so it has to be redone to guarantee continued protection. For this reason, the Tower has been repainted on average every seven years, according to a cycle laid out by Gustave Eiffel himself.

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As is the case each year, renovation and maintenance work is being done on the top floor of the Eiffel Tower, resulting in its temporary closure to the public from January 3rd to February 3rd, 2023. This is required in order to maintain this symbolic monument of Paris!

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Since 2011, the annual turnover generated by the sales of admissions for the Eiffel Tower in Paris has increased gradually. In 2019, the turnover related to ticket sales to access to the most famous monument in Paris amounted to approximately 87 million euros, compared to 53.03 million in 2012.

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The world would have to wait more than forty years before seeing the Tower dethroned by the Chrysler Building in New York (319 m), which was overtaken in 1949 by the Empire State Building (381 m).

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The course of Campaigns Campaigns can lasts between 18 months and over 3 years, interruptions due to the weather considered: painting is impossible if the structure is too cold, the paint does not stick well if the structure is wet.

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His name probably doesn't speak to you, and yet Victor Lustig was one of the greatest crooks of his time. His biggest scam? Having successfully sold the Eiffel Tower to a scrap dealer. At what price ?

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City of Paris ownership Today, the City of Paris owns the Tower and has entrusted its management to a development company (SETE: Société d'Exploitation de la Tour Eiffel) of which it owns 99% of the capital. Bertrand Lemoine is an architect, engineer and historian.

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Park land around the Eiffel Tower will be redeveloped to help ease tourist congestion ahead of the 2024 Summer Olympics in Paris. A design competition was held to find the best plans to reimagine the 133 acres to be redeveloped. Contestants were provided a 3D model of the structure through scan-to-BIM technology.

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Every evening, the Eiffel Tower is adorned with its golden covering and sparkles for 5 minutes every hour on the hour, while its beacon shines over Paris.

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