An international team of researchers have discovered what is believed to be the oldest and largest construction built by the ancient Maya civilization in a jungle in southeastern Mexico.The discovery of the artificial plateau -- believed to have been built around 1,000 B.C. and measuring about 1,400 meters in length, 400 meters in width and 10 to 15 meters in height -- was reported in an article published in the British science journal Nature on Wednesday.The large-scale ceremonial complex, which lies at the western boundary of the Maya lowlands, was named Aguada Fenix, and together with ot…READ FULL ARTICLE