It is an iron tower with a height of 324 meters, located in Paris, in the far north-west of the Champs-de-Mars park, near the Seine River. And 5 days (1887-1889), and it was opened to the masses on May 15, 1889. It was called the 300-meter tower at the opening, and this facility became the symbol of the French capital and the first tourist symbol in it, and it represents the ninth most visited French site in 2006, and it is also the first landmark in terms of the number of visitors It has 7 million visitors annually. With a height of 313.2 metres, the Eiffel Tower remained for 41 years the tallest landmark in the world. Its height has been increased several times by installing many antennas, reaching a height of 327 meters since March 8, 2011. It was used in the past in many scientific experiments, and is used today in broadcasting radio and television programs.