Arrange the sentences to make a good text. 1. The tower has three levels for visitor. 2. It was the tallest structure in the word from its completion until 1930. 3. The Eiffel Tower is an iron tower located in Champ de Mars in Paris. 4. The third and the highest level is accessible only by lift. 5. Named after its designer, Gustave Eiffel, the tower was built for the 1889 World’s fair. 6. The walk for the first level is over 300 steps, as the walk from the first to the second level​