In Mexico City, a 700-year-old Aztec farming technique is giving a sustainable edge to modern agriculture. ... legend has it that they were greeted by an unusual sight on Lake Texcoco.

Archaeologists have discovered in Mexico the remains of a boat more than 400 years old that may have sailed on a now-vanished lake following the fall of the Aztec Empire. ... known as Texcoco, ...

In Mexico City, a 700-year-old Aztec farming technique is giving a sustainable edge to modern agriculture. ... legend has it that they were greeted by an unusual sight on Lake Texcoco.