Trip to Mexico: Ceremony at City Hall, 5:05PM. Governor of the Federal District of Mexico, Ernesto P. Uruchurtu, presents President John F. Kennedy with keys to the City of Mexico during a ceremony in honor of President Kennedys visit to Mexico City. Pictured at desk (L-R): Foreign Minister of Mexico, Manuel Tello; U.S. State Department interpreter, Donald Barnes (mostly hidden); President Kennedy; Mr. Uruchurtu; U.S. Senator Mike Mansfield (Montana); U.S. Assistant Secretary of State for Inter-American Affairs, Edwin M. Martin. Also pictured: Mexican Ambassador to the United States, Antonio Carrillo Flores, and Chief of Protocol of Mexico, Federico A. Mariscal. All others are unidentified. Salón de Cabildos (Council Room), Antiguo Palacio del Ayuntamiento (Old City Hall), Mexico City, Mexico.