“Then, in 1975, the Khmer Rouge marched into the capital and evacuated its entire population. They used the stadium for political meetings and mass rallies. In the southern port of Sihanoukville, they tried to blow up Vann’s National Bank of Cambodia building (having abolished money) but gave up when the vaults proved too strong.” Source
“When the afternoon monsoon broke, the gutters were suddenly awash with paper; but this was money. The streets ran with money, much of it new and unused banknotes whose source, the National Bank of Cambodia, had been blown up by the Khmer Rouge as they retreated before the Vietnamese army. Inside, a pair of broken spectacles rested on an open ledger; I slipped and fell hard on a floor brittle with coins.” Source
Top before KR – bottom after KR.