Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Megalithic Jar Sites in Xiengkhuang – Plain of Jars' has mentioned 'Cremation' in the following places:
Occurrence Sentence Text Source
The bone and teeth inside the jars show signs of cremation, while the burials surrounding the jars yield unburnt secondary burial bones.
Variations in the practices of cremation inside jars and secondary burial outside jars, as noted by Colani, have proven difficult to explain.
The ritual decomposition is later followed by cremation and secondary burial.