In the XXI/ century the researchers must use the technology to dig and study the sites.
In the last decades the seek for traces of a old society existence should be based on historic relates, the success of the archaeological survey depended mostly on the authenticity as historic sources. The archaeologists had to have unlimited time available to make depth archaeological digs about enormous extensions to find something to prove their hypothesis.
Learn more in the site Informador from México.
DOCUMENTO Patrimônio Cultural - Arqueologia Antropologia