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The Eiffel Tower is
of the world's most famous
. The 324-metre-tall iron tower attracts
of tourists to Paris every year. It has been an
part of Paris' skyline for 133 years. However, it is showing its age. Engineers recently conducted a
of the monument. They found that its metal is full of
. They said it is "in a poor state". They added that if its
Gustave Eiffel was alive today and saw his creation, "he would have a heart attack". Engineers say there are many
in the iron. The tower needs many
. A 2016 report on the tower stated there were 698 faults on the tower. These were serious enough to put the tower's long-term
in doubt.
