As CNN details, the issues stem back to the Spanish conquest of the area in the 16th century, when the colonizers drained the lake upon which the Aztec city of Tenochtitlan had been built ...
In addition, cleanliness, education and knowledge were an essential part of the citizens of Tenochtitlan. The city was located on an islet, which was in the middle of Lake Texcoco, located in the ...