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The tower stands 300 m (986 ft) high, which is about 75 stories. Including the 24-m (72-ft) antenna, the structure is 324 m (1058 ft) high. At the time of its construction in 1889, the tower was the tallest structure in the world, a title it retained until 1930, when New York City's Chrysler Building (319 m/1046 ft tall) was completed (although the tower was still taller if the respective spires of the two structures were excluded). The tower is the second-highest structure in France, after the 350-m Allouis longwave transmitter, built in 1939. It is the highest structure by far in Paris; the second-highest structure in Paris, and the third-highest in France, is the Tour Montparnasse (Montparnasse Tower), at 209 m.

The metal structure weighs 7,300 tonnes, and the total weight is 10,100 tonnes. The number of steps to the summit has varied over the history of the tower, through various renovations: at the time of construction in 1889, there were 1710 steps to the summit platform at 300.65 m; after renovation in the early 1980s, there were 1920 steps; and today there are 1665 steps (although it is not possible for the public to reach the summit via the stairs—elevators are required beyond the second platform).

Depending on the ambient temperature, the top of the tower may shift away from the sun by up to 8 cm (3.25 inches), due to expansion of the metal on the side facing the sun.

Maintenance on the tower includes applying 50 tonnes of three graded tones of paint every seven years to protect it from rust. On occasion, the colour of the paint is changed — the tower is currently painted a shade of brown. On the first floor, there are interactive consoles hosting a poll for the colour to use for a future session of painting.

www.wikipedia.org

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Additional Photos by Artur Turyna (sixTL) Gold Star Critiquer/Gold Note Writer [C: 650 W: 0 N: 638] (8596)
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