Does the height of the Eiffel Tower change?

A few millimeters gained in summer, but lost in winter! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun.



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7. During cold weather the tower shrinks by about six inches.

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Metal absorbs the heat, causing the Eiffel Tower to grow by 6.75 inches. On the other hand, it shrinks during the winter due to thermal contraction caused by freezing weather. So, the Tower shrinks between six and seven inches, depending on the weather conditions.

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A few millimeters gained in summer, but lost in winter! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun.

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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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The Eiffel Tower was supposed to be torn down after 20 years. The tower was built with the intent of showing off France's industrial prowess during the World's Fair, but the plan was to tear it down after 20 years.

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Because Steel expands in hot and contracts in cold. So, The Eiffel Tower is 17 centimetres taller in summer than winter. A few centimetres gained in summer, but lost in winter!

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You'll be able to see the well known Iron Lady lit up every day from sunset to 1AM. During summer, it turns of one hour later at 2AM.

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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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A few millimeters gained in summer, but lost in winter! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller.

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The Tower lights and beacon are lit up every evening from dusk until 11.45pm. As soon as it gets dark, the Eiffel Tower's golden lighting switches on automatically within less than 10 minutes, thanks to light-sensitive twilight sensors. Simply check an almanac to find out what time the monument will light up.

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The Eiffel Tower is made of puddle iron, a material that could last almost forever if it is repainted regularly. However, several factors pose a threat, including rust, pollution inherent to its location in a big city, bird droppings and the weather.

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After being built and inaugurated for the 1889 Paris Exposition Universelle, the Tower had to be returned to the City of Paris, as Gustave Eiffel had only been given a 20-year permit to use the land. But its use as a giant radio antenna saved it from destruction!

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Radio saved the Eiffel Tower from destruction The value of the tower in sending and receiving wireless messages, particularly for the French military, caused the city to renew Eiffel's concession when it expired in 1909. Today, more than 100 antennae on the tower beam radio and television broadcasts around the world.

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The tower is currently undergoing a repaint costing 60 million euros in preparation of the 2024 Olympics, the 20th time the Tower has been repainted.

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The Eiffel Tower's ironwork has been repainted 19 times and a maintenance painting cycle takes 18 months at a cost of €4 million13. The repainting costs are estimated to be ~14% of the current construction cost of the tower.

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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 Eiffel Tower is the eldest. The tallest tower is Burj Khalifa (828 metres) and the shortest is the Bratislava UFO (95 metres).

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