Complex sentence: In a commitment ceremony in 2007, Erika Eiffel, an American woman, "married" the Eiffel Tower; her relationship with the tower has been the subject of extensive global publicity.
Split into simpler sentences: In a commitment ceremony in 2007, Erika Eiffel, an American woman, "married" the Eiffel Tower. Her relationship with the tower has been the subject of extensive global publicity.