This tower is named after its designer Gustave Eiffel was built during the years 1887-1889 was 7300 tonnes, the weight of the Eiffel Tower from the top of the tower can turn sunlight into the top of the tower to 18 centimeters (7 inches). Depending on the temperature of the metal side facing the bay, which is lighting. Expansion due to heat gain. In addition, the tower also has a swing with the wind. The swing was at 6-7 centimeters (2-3 inches).
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