The Plain of Jars in Laos has always puzzled scientists as it is not known why there are thousands of jars strewn across the terrain. See my blog from my 2007 visit on the Plain of Jars.
In April 2016 there was some interesting news that scientists have found signs of ancient burial rituals at the Plain of Jars. The jars are thought to be at least 2000 years old. Although human remains have been found in the past, there are now further finds :
"...three different types of burials had now been discovered; bones placed in pits with a large limestone block on top, bones buried in ceramic vessels, and a single body in a grave."
Read more on BBC news from 5 April 2016.
Grotte Crematoire is a small cave, a single chamber, with evidence of smoke, so it may have been a crematorium or even a kiln. Inside the cave -
Research will continue on the site.
See a detailed article on ABC website.