Eiffel Tower was to be dismantled in 1909, when its ownership would revert to the City of Paris. The City had planned to tear it down (part of the original contest rules for designing a tower was that it should be easy to dismantle) but as the tower proved to be valuable for communication purposes, it was allowed to remain after the expiry of the permit. Eiffel made use of his apartment at the top of the tower to carry out meteorological observations, and also used the tower to perform experiments on the action of air resistance on falling bodies. For the
Gustave Eiffel by Eiffel were an important part of this, the two works that did most to make him famous are the Statue of Liberty and the Eiffel Tower, both projects of immense symbolic importance and today internationally recognized landmarks. The Tower is also important because of its role in establishing the aesthetic potential of structures whose appearance is largely dictated by practical considerations. His contribution to the science of aerodynamics is probably of equal importance to his work as an engineer. A number of works of Gustave Eiffel are in danger today. Some have already been destroyed, as in Vietnam. A