The others are the Treasury Building, the White House,the Capitol building and Independence Hall.

VOA: special.2010.11.12

At Pennsylvania's Independence Hall Thursday, former Prime Minister Shimon Peres and Jordan's King Hussein received the Philadelphia Liberty Medal.

CNN: Americans celebrate 220 years of freedom

In Philadelphia, Independence Hall and the Liberty Bell were closed.

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"Preventing hatred of your fellow man, and extending love to him, are the two sides of true liberty, " Peres said as he accepted the medal in a ceremony outside historic Independence Hall.

CNN: Americans celebrate 220 years of freedom