As newly crowned Khmer kings once did, a group of young boys is harnessing the unusual acoustics here by pounding their chests, a process thought to offer mental and physicalpurification.
Other ministry mandates include for designated areas include purification of water used for irrigation and physical inspections and testing of every sack of rice produced.
However, as the cleanliness and purification rituals found in many religions suggest, physical cleanliness, too, is linked to moral behaviour, so she decided to investigate this as well.