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.
Governing Mayor of Berlin The Governing Mayor (German: "Regierender Bürgermeister" ) of Berlin is the head of government, presiding over the Berlin Senate. As Berlin is an independent city as well as one of the constituent States of Germany ("Bundesländer"), the office is the equivalent of the Ministers-President of the other German states —except the two other city-states of Hamburg and Bremen, where the heads of government are called "First Mayor" and "Mayor and President of the Senate", respectively. The title Governing Mayor of Berlin is the equivalent of Lord Mayor in the meaning of an actual executive leader.