Conservation-restoration of the Statue of Liberty
The Statue of Liberty (Liberty Enlightening the World), a colossal sculpture on Liberty Island in New York Harbor, underwent an extensive conservation-restoration between 1984 and 1986, in advance of its centennial. The statue, designed by French sculptor Frédéric Auguste Bartholdi, is part of the Statue of Liberty National Monument.
Source: Wikipedia — Conservation-restoration of the Statue of Liberty (CC BY-SA 4.0)