What is known about how cro magnon bury their dead?

The condition and placement of the remains of Cro-Magnon along Crowith pieces of shell and animal tooth in what appears to have been pendants or necklaces raises the question of whether they were buried intentionally. If Cro-Magnons buried their dead intentionally it suggests they had a knowledge of ritual, by burying their dead with necklaces and tools, or an idea of disease and that the bodies needed to be contained