The Eiffel Tower began on January 26th, 1887 in Paris, France. The overall time period of construction took only 2 years and 2 months which was considered record time. Some key parts of this project included 18,038 metallic parts, 7,300 tons of wrought iron and around 250-300 workers on site. The 18,038 metallic parts were held together by rivets and a team of 4 men was needed for each rivet assembled. The metal pieces would first be constructed in a factory using bolts but later the bolts would be replaced one by one with the thermally assembled rivets. The tower also consists of multiple elevators that go through all sections of the tower. All of the journeys in these elevators combined has been estimated to equal about two and a half tim...