My colleague Nancy Beavan as been working for some time now at the Cardamom Mountains in western Cambodia, investigating a series of jar burial sites associated with a little-known culture who were living contemporaneously with Angkor. This news video from VOA Khmer is an overview of the project and the latest finds.
Ancient Cambodians Used Jars to Keep the Remains of the Dead
VOA Khmer, 02 March 2015
Video is in Khmer, but you can still understand what’s going on without knowing the language.