Thursday, 13 April 1995 - Spent the day in Mexico City exploring its historic heart , visited the massive Catedral Metropolitana with its ornate interiors and sinking towers, saw the murals at the Palacio Nacional including Diego Rivera's works, walked past the Templo Mayor and its Aztec ruins at the Zócalo enjoyed lunch with views over the main square, then took the subway to the Basilica de Guadalupe one of the most visited Catholic shrines in the Americas.