We will visit of Eiffel Tower 3rd floor. The Eiffel Tower was built by Gustave Eiffel for the 1889 Exposition Universelle, which was to celebrate the 100th year anniversary of the French Revolution. Its construction in 2 years, 2 months and 5 days was a veritable technical and architectural achievement. "Utopia achieved", a symbol of technological prowess, at the end of the 19th Century it was a demonstration of French engineering, and a defining moment of the industrial era. As France’s symbol in the world, and the showcase of Paris, today it welcomes almost 7 million visitors a year, making it the most visited monument that you have to pay for in the world.