Ryan Neill, a National Park Service employee from Gettysburg National Military Park, uses a blowtorch to liquify wax used to protect a statue of U.S. Navy Commodore John Barry on Wednesday outside Independence Hall in Philadelphia. Sculptor Samuel Murray’s much-photographed bronze statues of George Washington and Commodore John Barry outside Philadelphia’s Independence Hall will shine brighter after their September cleaning, which the National Park Service says is required about every five years.