Also, Aztecs did not live that close to the sea. They never had their cities that close because of maurading or invading forces. They were always in the jungles or mountains. Just look at Teotihuacan (which actually is Myan). That is about 650 miles from the sea in the middle of a plain. Or Matchu Pitchu whis is on top of a mountain. Just to let you know. Tankred