One of the exhibits was a display of historic photographs of Mexico City. Here are a few of those photos...
In 1905 the Zócalo was planted with trees and was also a terminus for the new streetcars.
A float in the Revolution Day Parade, November 20, 1939
A PEMEX gas station in 1940
A flooded street in the historic center of the city in 1950
The earthquake of 1957 sent the gilded Winged Victory on top of the Independence Monument falling to the ground.
Intelligence agents spy on student demonstrators in 1968
An estimated 400,000 protesters fill the Zócalo in August of 1968.
The student protests of that year would culminate in the massacre of hundreds at the Plaza of the Three Cultures on October 2nd.
The calamitous earthquake of September 19, 1985 in which at least 10,000 people died.