Rewrite the text using the passive. Use the agent(s) where is necessary
Gustave Eifel designed the Eiffel Tower. Workers built it between 1887-1889. They used iron to build it. The City Mayor opened it to the public on May 6th, 1889. Many tourists visit the tower every year. They buy souvenirs, take photos of Paris and admire the view from the top.
Va rog repede am nevoie intr-o jumatate de ora