The first day of showing the sights of Mexico City to my friends Cliff and Jeramie was devoted to the "Centro Histórico", the historic heart of the city. We took the Metrobus and the subway, and fortunately neither one was uncomfortably crowded.
Our first stop was the National Palace where we saw the mural paintings by Diego Rivera which depict the history of Mexico.
From there we passed the excavations of the base of the Aztec Templo Mayor (Main Temple), an archaeological site in the heart of downtown.
Next we visited the huge and ornate Metropolitan Cathedral, the largest in the Americas.
It was time to have a bit of lunch, so we stopped at Café La Parroquia, a traditional spot that is famous for its "café lechero", a shot of strong coffee with steamed milk.
After lunch, we walked down the main street of the "Centro Histórico", pedestrianized Madero Street.
At the end of Madero Street is the Latin American Tower. When it was constructed in the 1950s, it was the tallest building in all of Latin America.
Our last stop was the observation deck atop the Latin American Tower. In spite of the smoggy air, the view was still impressive.
There was much more we could have seen in "El Centro", and by this time it was 4:00. Even though rush hour was approaching, the public transportation was not yet packed. We made it back to their hotel, and Cliff and Jeramie were relieved that the air conditioning in their suite had been repaired. After a hot day of exploring the city, the cool air was a relief for them.