An excavation of this city was restarted in 1978 after a stone disc portraying the death of a moon goddess was discovered by utility (15[2])workers. During an attack on this city, one general destroyed an aqueduct designed with two ducts that provided spring water from “grasshopper hill.” This city’s 4 camps were built around its central sacred precinct, the site of the House of the Eagles. Over 200,000 people likely lived in this city’s 20 (*) calpulli (10[1])districts. This city's “great speaker” received tribute like (-5[1])cacao from canoes that traveled past its floating chinampa gardens. This capital of the Triple Alliance was built on an island in Lake Texcoco where settlers allegedly saw an eagle eating a snake atop a cactus. For 10 points, name this Mesoamerican city that became Mexico City. (10[1])■END■