The eastern end of the tunnel, where the water exited, it was decorated in a rock-carvings and stucco reliefs. (Photo: © Edith Camacho INAH)
Archaeologists have discovered in the 17th century, the tunnel is filled with indian rock art) in the city of Ecatepec in Mexico. The tunnel is likely to be served as part of a floodgate to a dike into the water, on the one hand, and the left on the other — designed to be used in the monitoring of the ongoing floods that ravaged the country.
The wooden carvings, the beauty of the east end of the 27.6-meter-long (8.4-meter) tunnel, 11 of the pre-Hispanic-sculptures — have been, or that will date back to native americans, who lived in the area for the 1521 when it was conquered by the Spanish in the form of etchings in the rock, called “rock it” and plaster bas-reliefs. They are made up of a sculpture, a picture, and then painting it with lime, said Raúl García Chávez, co-ordinator of the shed, and the improvement of the band.
The engravings are of a ‘chimalli’ or ‘ war-shield, a flint point, and the head of a bird of prey, while the stucco bas-reliefs look like rain drops.
The raindrop symbols are found on the upper part of the keystone is the top stone that holds the arch together, at the east end of the tunnel, where the water is dependable, these symbols represent a link with Tlaloc, the Aztec god of rain, Chavez told Live Science. In the lower part of the keystone is carved with the image of a temple. On the west side, where the water has once entered the tunnel, the researchers found a greater petroglyph, which they are currently studying. She was also a four-iron nails, and two 21-foot-long (6.5 m) with wooden beams on the ceilings.
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The dam, which today is known as the Albarradon de Ecatepec is located 2.5 miles (4 kilometers) long. It was built in 1605, in order to control the water that is in the city of Texcoco in the nearby Xaltocan, and Zumpango lakes, according to a statement released by the mexican National Institute of Anthropology and History (INAH).
Because Mexico City is situated in a basin where water has no outlet, and the town has dealt with periodic flooding, since ancient times. The embankment was tough, for two decades, until the great Flood of 1629, took possession of the city, which can still be flooded for up to five years before all the water had disappeared. Colonizers changed to “cancelled” and the floodgate at the time it is covered with millions of rocks, and ash; they are later ordered the construction of two locks, Chavez said.
Three thousand of the world’s indigenous people, are thought to have been built on the dike, under the supervision of the Spanish friars Jerónimo de Aguilar, and Juan de Torquemada, Chavez said. And the new wood carvings and plaster reliefs show the influence of the world’s indigenous people, and some of the techniques, such as the arch of the tunnel, which is more similar to the European methods, according to the statement.
“It doesn’t have to be pre-Hispanic methods, but the semi-circular arcs, and segments of andesite, limestone, and sand for mortar, and the depth to the top of it, with stones, a master of lines and ashlars’ or the delicately carved in stone, Chavez said in a statement, referring to the tunnel. To the Roman and Spanish influences.”
The theory is that the glyphs and stucco work on the tunnel was for people in the pre-Hispanic towns, of Ecatepec and Chiconautla, along with many other indigenous groups in the area to create the embankment for eight months, ” he said.
INAH, together with the Mexican government embarked on the recovery and strengthening of the dike in 2004. As a part of the area has now been renovated and turned into a park and opened to the public in a few weeks, according to the statement. The original stuccos, nature, nails, and wooden beams will be transmitted to the Casa Morelos Community Center, as well as, replicas can be installed in place of the artifacts.
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Originally published on Live Science.