The ancient remains of three multitude thousands of years old have been unearthed at the Puyil Cave in southern Mexico . archeologist   say two sets of the remains are other ascendent of the Mayan civilisation dating back around 4,000 years , but the third set is think to be   much older .

Around   7,000 year sometime , the third set of human remains represents a prison term when people transition from hunting and gather to a more sedentary modus vivendi . Because of the 5,000 - year gap between the three humans , archeologist believe the skeletons are from two unlike groups who used the caves for like grounds . The cave was n’t one where humans live but instead appeared to answer a more ritualistic purpose . expert theorise the Mayans who buried their dead there probably found the early remains and left them in a respectful manner .

Diego Prieto , world-wide director of the National Institute of Anthropology and History ( INAH ) , tweeted the discovery in former August , pronounce a combination of multidisciplinary and inter - institutional employment led researchers to believe the Puyil cave not only housed Maya burials of the Late Classic period , but also " the remains of [ an ] older someone considered [ to be an ] ascendant of contemporary Tabasco ”   –   the neighborhood of Mexico where the stiff were found

The collapse of the Mayan civilization has long mystified archaeologists and historians . Why would an conglomerate responsible for elaborated structures and cities   –   whose civilisation spanned   present - Clarence Day Mexico , Honduras , Guatemala , and El Salvador –   suddenly give ?   prevail Mesoamerica for nearly 2,000 years , they wereresponsiblefor early scientific advances in agriculture , mathematics , and calendar - making before enigmatically go away in 900 AD , at which point their elaborate stone cities were mostly abandoned .

Theories have ranged from war with nearby tribes to overpopulation , and , most recently , uttermost weather event .   Earlier this calendar month , new researchsuggesteda drought responsible for drop annual hurriedness to as much as half of its normal amount could have caused the crash .

In January , scientists in Mexicodiscoveredthe universe ’s prominent flooded submerged cave on the Yucatan Peninsula . Two months later , theyrevealeddiscoveries of archaeological significance , admit ancient remains , ceramics , and undermine wall engraving .

The Puyil Cave remain are currently on presentation in an exhibition calledPuyil : The Cave of Ancestry ,   along with other artifacts discovered like ceramics and jade .

[ H / T : CBC News ]