Why is the Eiffel Tower so light for its size?

The Eiffel Tower is made almost entirely of open-lattice wrought iron. Gustave Eiffel used his advanced knowledge of the behaviour of metal arch and metal truss forms under loading to design a light and airy but strong structure that presaged a revolution in civil engineering and architectural design.



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The projectors are triggered automatically by nightfall sensors. The sparkling lights are superimposed over the golden lights for 5 minutes. The last sparkle occurs at 11pm, and the Eiffel Tower lighting is switched off completely at 11.45pm, as soon as it has been evacuated (lighting and beacons).

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This apartment, where Eiffel presumably never slept, has since become an area for technical facilities. Now available for the public to tour, it is a recreation of his office which exhibits wax sculptures of Gustave Eiffel, his daughter Claire, and Thomas Edison.

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Gustave's Secret Apartment on Top of the Eiffel Tower Gustave was quite selective and did not allow any guests to stay in his apartment. However, a handful of people, like Thomas Alva Edison, were allowed to visit and stay in his apartment.

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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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In fact, the Tower has been repainted for over 130 years, about once every 7 years. So if it is repainted, the Eiffel Tower can last... forever.

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Except during summer, when the Tower closes at 00:45 : the Tower lights and beacon are switched off at 1.00am, except for the sparkling lights remaining during a few minutes. A truly magical moment not to be missed!

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Unless weather conditions or special safety considerations prevent it, you can visit the tower up to midnight from mid-June to early September and up to 11:00 pm the rest of the year.

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It is advisable to plan a visiting time of at least 1 1/2 hours for visit to the 1st and 2nd floors and 2 1/2 hours for a visit to the top. Your visiting time will also depend of your choice of way to ascent from the ground to the second floor : by lift or stairs.

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A new layer every 7 years 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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The sparkles: every evening after dusk for 5 minutes at the beginning of each hour. As the lights are switched off at 11.45pm, they will sparkle for the last time at 11pm.

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What Are the 11 Most Interesting Facts About the Eiffel Tower?
  • It Was Designed by Gustave Eiffel. ...
  • It Took 22 Months to Complete. ...
  • The Eiffel Tower Is Made of Iron. ...
  • The Eiffel Tower Has Three Floors. ...
  • It's as heavy as an Entire Freight Train. ...
  • The Eiffel Tower Has to be Repainted Every 7 Years.


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The Eiffel Tower moves in the wind and from heat expansion. The highest point on the Tower sways at an average of 2.5 inches in high winds. Not only that, it also moves from the heat of the sun expanding the metal! No need for concern, however, the amount of movement is minuscule for a tower of this size.

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The monument is the symbol of Paris and one of the most visited tourist attractions in the world. To accommodate all that traffic, it is open year round and has extended hours of operation so that it can host as many visitors as possible. Its hours of operation are: 9:00 am to midnight from mid-June to early September.

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If you want to go to the top, stairway + lift tickets allow you to climb the Tower on foot up to the 2nd floor, and then take the lift up to the top, for a sporty and heady experience. These tickets are only sold on-site.

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The mural is a scene taken from the Italian novel Hypnerotomachia Poliphili, written by Francesco Colonna in 1499. The two figures in the middle of painting represent the book's protagonists, Poliphili and Polia.

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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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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.

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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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