Tenchtitlan

-wealthy city
-location made trade and travel difficult built causeways(raised roads)to connect the island to the shore(trade)
-lake water dirty, built stone aqueduct to bring in fresh water
-farming difficult, built chinampas, floating gardens and farmed from boats
-became greatest city of Americas
-huge temples, busy markets, clean streets, huge palace, Europeans stunned by magnificence
-200,00 lived there later, destroyed by Europeans