Simplify the following text for a Grade 5 native English-speaking person.
Original: In a commitment ceremony in 2007 , Erika Eiffel , an American woman famously `` married '' the Eiffel Tower .
Simplified: The Eiffel Tower was built by Gustave Eiffel for the 100th year of the French freedom . At first , the Eiffel Tower was to be made in Barcelona , Spain , but the people of Barcelona did not want it .