In an archaeological investigation of modern-day Mexico City, which of the following could archaeologists possibly discover?

In an archaeological investigation of modern-day Mexico City, archaeologists could possibly discover the following:

1. Ancient Aztec ruins: Mexico City was built atop the ancient Aztec capital of Tenochtitlan, and archaeologists could uncover various remains and structures from this civilization, such as temples, palaces, or even the Aztec calendar stone.

2. Colonial-era artifacts: Mexico City has a rich colonial history, and archaeologists could find artifacts such as Spanish colonial buildings, churches, or pottery.

3. Pre-Hispanic artifacts: Apart from the Aztecs, other indigenous cultures inhabited the region before the arrival of the Spanish. Archaeologists could discover artifacts from civilizations like the Olmecs, Toltecs, or Mayans.

4. Indigenous burial sites: Burial grounds have been found in various areas of Mexico City, and archaeologists could potentially uncover more evidence of indigenous burial practices, including tombs, grave goods, or even ancient skeletal remains.

5. Infrastructure and urban planning: Mexico City has a complex network of ancient canals and aqueducts that date back to the time of Tenochtitlan. Archaeologists could discover parts of this ancient infrastructure, shedding light on the urban planning and engineering expertise of the indigenous cultures.

6. Industrial remains: Mexico City has undergone significant industrialization in more recent times. Archaeologists may discover the remains of early factories, mills, or other industrial structures that played a role in the city's development.

7. Art and cultural artifacts: Archaeologists could uncover various forms of art, including sculptures, pottery, or murals, providing insights into the cultural practices and artistic expressions of ancient and more recent societies in Mexico City.

It's worth noting that the specific discoveries would depend on the location and scope of the archaeological investigation and the historical context of the area being examined.