These cultures developed advanced techniques of cultivation, gold and silver work, pottery, metallurgy and weaving.
Some of the social structures that later (around the 12th century) formed the base of the Inca Empire may be traced back to these previous periods.
Archaeologists led by Gabriel Prieto revealed the largest mass child sacrifice with more than 140 children skeleton and 200 Llamas dating to the Chimú culture after he was informed about some children had found bones in a dune nearby Prieto’s fieldwork in 2011.
[5][6] According to the researchers' notes in the study, there was cut marks on the sterna, or breastbones some of the children and the llamas.
They also had very different concepts about death and the role each person plays in the cosmos, perhaps the victims went willingly as messengers to their gods, or perhaps Chimú society believed this was the only way to save more people from destruction” said anthropologists Ryan Williams.