The Rodin (roh-DAN') Museum in Philadelphia is getting ready to reopen after three years of renovations.

The museum is home to the largest collection of sculptures by French artist Auguste (ah-GOOST') Rodin outside of Paris.

The revitalization project started in 2009. It aimed to clean the pollution and grime that have built up at the institution over the past several decades. The museum first opened in 1929.

Restoration work includes interior and exterior renovations, garden rejuvenation and a reinstallation of the collection. Major pieces include "The Thinker," "The Gates of Hell" and "The Burghers of Calais" (cah-LAY').

Media outlets previewed the changes on Wednesday. The museum will reopen to the public on July 13.

The museum was founded by Philadelphia entrepreneur and art collector Jules Mastbaum.