Preservation Of Remain In The Memorial Stupa
-Chemical treatment of the bones and clothes before placing them definitely in the commemorative stupa at Choeung Ek.
-350 Jaws were collected from 12 floor of the stupa to examine, about 15% of all examined jaws were found injuries causing by chopping or beating on the skulls, mostly with sharp tools such as saber, axes, hoes.
-Skeletal remains had been cleaned and then soaked in chemical substances to be kept for a long time and carefully analyzed to determine sex, age, nationality and cause of death by forensic.