Which seat of government has 57,000 people underneath it daily?
Philadelphia City Hall Philadelphia City Hall, built in 1901 and located at 1 Penn Square, is the seat of government for the city of Philadelphia, Pennsylvania.
Phoenix, Arizona Phoenix ( ) is the capital and most populous city of the U.S. state of Arizona. With 1,615,017 people (as of 2016 ), Phoenix is the fifth most populous city nationwide, the most populous state capital in the United States, and the only state capital with a population of more than one million residents.