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
Petřín Lookout Tower Petřín Lookout Tower The Petřín Lookout Tower (Czech: "Petřínská rozhledna") is a 63.5-metre-tall steel-framework tower in Prague, which strongly resembles the Eiffel Tower. The Petřínská rozhledna was built in 1891 and was used as an observation tower as well as a transmission tower. Today the Petřínská rozhledna is a major tourist attraction. The hill is roughly a half-hour walk up paths (which gets quite slippery in the snow) and the tower is a shorter but fairly tiring climb; however, the hill is served by a frequent funicular and the tower has an elevator for disabled people. In 2014 the tower